UCI engine PGN variations file:
C:\games_engine_variations.pgn
from 16 July 2023 14:41
analysis date: 16 July 2023 14:57


⇓ game 1 — PGN tags / evaluation settings ⇓


Robert Steel ./. NN 
result: 1-0


game 1
player data
PGN tags / evaluation settings player White player Black
name Robert Steel NN

⇑ game 1 — player data ⇑


⇓ game 1 — probabilistic game results ⇓


Robert Steel ./. NN 
result: 1-0


game 1
PGN tags / evaluation settings
PGN tags / evaluation settings information
event/source/work Calcutta
site Calcutta IND
date 1886.??.??
result 1-0
ECO C25
annotator Stockfish dev-20230606-54ad9867 S5
scheme move evaluation 7 sectors - 1/7 1/7 1/7 1/14 1/14 1/7 1/7 1/7
scheme position evaluation 9 sectors - 1/9 1/9 1/9 1/9 1/18 1/18 1/9 1/9 1/9 1/9
scheme WDL evaluation relevance reduction as per original engine WDLs or calculation
variations: general parameters 2 — for White/Black — from move no. 1 until end of game
variations: analysis stop parameter time per move 30 seconds
FEN position before Variations start rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1

⇑ game 1 — PGN tags / evaluation settings ⇑


⇓ game 1 — engine evaluated moves ⇓


Robert Steel ./. NN 
result: 1-0


game 1
probabilistic game results
from the perspective of each player



⇑ game 1 — probabilistic game results ⇑


⇓ game 1 — statistics ⇓


Robert Steel ./. NN 
result: 1-0


game 1
engine-evaluated moves
move no.     game move      multi/
single
mode		 game move
= variation
x		 move
evaluation
source		 search
depth
hm		 Syzygy
hits		 evaluation
real
move		 win
probability
WDL		 draw
probability
WDL		 loss
probability
WDL		 position
evaluation
symbol		 probab.
game
result		 evaluation
optimal
move		 evaluation
2nd best
move		 win/
loss
absolute		 win/
loss
relevant		 move
evaluation
symbol		 optimum
rate		 optimum
rate
Ø		 losses
∑
absolute		 losses
Ø
absolute		 losses
∑
relevant		 losses
Ø
relevant		 move no.     game move      multi/
single
mode		 game move
= x.variation		 move
evaluation
source		 search
depth
hm		 tbhits evaluation
real
move		 win
probability
WDL		 draw
probability
WDL		 loss
probability
WDL		 position
evaluation
symbol		 probab.
game
result		 evaluation
optimal
move		 evaluation
2nd best
move		 win/
loss
absolute		 win/
loss
relevant		 move
evaluation
symbol		 optimum
rate		 optimum
rate
Ø		 losses
∑
absolute		 losses
Ø
absolute		 losses
∑
relevant		 losses
Ø
relevant
1 1. e4 M 2 → 28 — 0.27 3.6% 96.2% 0.2% ⩲  +/= 52% 0.32 0.27 ‑0.05 ‑0.05 98.99% 98.99% 0.05 0.05 0.05 0.05 1 1... e5 M 1 → 28 — 0.22 0.3% 97.0% 2.7% = 49% 0.22 0.28 0.06 0.06 100.00% 100.00% 0.00 0.00 0.00 0.00
2 2. Nc3 M 2 → 29 — 0.13 1.8% 97.8% 0.4% = 51% 0.22 0.13 ‑0.09 ‑0.09 99.02% 99.01% 0.14 0.07 0.14 0.07 2 2... Nc6 M 1 → 29 — 0.11 0.5% 98.0% 1.5% = 49% 0.11 0.16 0.05 0.05 100.00% 100.00% 0.00 0.00 0.00 0.00
3 3. f4 ?! M >2 → 24 — ‑0.40 0.1% 93.6% 6.3% ⩱  =/+ 47% 0.11 0.12 ‑0.51 ‑0.50 ?! 91.23% 96.41% 0.65 0.22 0.64 0.21 3 3... exf4 M 1 → 25 — ‑0.27 3.3% 96.5% 0.2% = 52% ‑0.27 ‑0.05 0.22 0.22 100.00% 100.00% 0.00 0.00 0.00 0.00
4 4. d4 M 1 → 25 — ‑0.48 0.1% 91.0% 8.9% ⩱  =/+ 46% ‑0.35 ‑0.48 ‑0.13 ‑0.12 96.66% 96.48% 0.78 0.20 0.76 0.19 4 4... Qh4+ !? M 1 → 26 — ‑0.67 20.3% 79.7% 0.0% ∓  -/+ 60% ‑0.67 ‑0.18 0.49 0.44 !? 100.00% 100.00% 0.00 0.00 0.00 0.00
5 5. Ke2 ! M 1 → 26 — ‑0.74 0.0% 73.5% 26.5% ∓  -/+ 37% ‑0.74 ‑2.53 1.79 0.66 ! 100.00% 97.18% 0.78 0.16 0.76 0.15 5 5... d5 ?! M >2 → 25 — ‑0.08 1.2% 98.3% 0.5% = 50% ‑0.74 ‑0.69 ‑0.66 ‑0.57 ?! 78.74% 95.75% 0.66 0.13 0.57 0.11
6 6. exd5 !? M 1 → 27 — ‑0.18 0.3% 97.9% 1.8% = 49% ‑0.18 ‑0.55 0.37 0.35 !? 100.00% 97.65% 0.78 0.13 0.76 0.13 6 6... Bg4+ M 1 → 27 — ‑0.22 2.2% 97.6% 0.2% = 51% ‑0.22 ‑0.15 0.07 0.07 100.00% 96.46% 0.66 0.11 0.57 0.09
7 7. Nf3 !! M 1 → 28 — ‑0.18 0.3% 97.9% 1.8% = 49% ‑0.18 ‑5.91 5.73 2.82 !! 100.00% 97.99% 0.78 0.11 0.76 0.11 7 7... O‑O‑O ?! M >2 → 25 — 0.37 0.1% 95.2% 4.7% ⩲  +/= 48% ‑0.18 0.00 ‑0.55 ‑0.54 ?! 91.41% 95.74% 1.21 0.17 1.11 0.16
8 8. dxc6 M 1 → 26 — 0.34 4.0% 95.9% 0.1% = 52% 0.34 0.02 0.32 0.31 100.00% 98.24% 0.78 0.10 0.76 0.10 8 8... Bc5 !? M 1 ↓ 25 — 0.34 0.1% 95.9% 4.0% ⩲  +/= 48% 0.34 0.81 0.47 0.39 !? 100.00% 96.27% 1.21 0.15 1.11 0.14
9 9. cxb7+ ?! M >2 → 24 — ‑0.38 0.1% 95.3% 4.6% ⩱  =/+ 48% 0.26 ‑0.22 ‑0.64 ‑0.63 ?! 88.99% 97.21% 1.42 0.16 1.39 0.15 9 9... Kb8 !! M 1 → 27 — ‑0.43 5.9% 94.0% 0.1% ∓  -/+ 53% ‑0.43 1.53 1.96 1.38 !! 100.00% 96.68% 1.21 0.13 1.11 0.12
10 10. Nb5 ! M 1 ↓ 26 — ‑0.43 0.1% 94.0% 5.9% ∓  -/+ 47% ‑0.43 ‑1.04 0.61 0.40 ! 100.00% 97.49% 1.42 0.14 1.39 0.14 10 10... Nf6 ?? M 2 → 23 — 0.95 0.0% 49.6% 50.4% ++- 25% ‑0.33 0.95 ‑1.28 ‑1.10 ?? 41.38% 91.15% 2.49 0.25 2.21 0.22
11 11. c3 !? M 1 → 24 — 0.70 20.4% 79.6% 0.0% ±  +/- 60% 0.70 0.42 0.28 0.24 !? 100.00% 97.72% 1.42 0.13 1.39 0.13 11 11... Rhe8+ M >2 → 26 — 0.64 0.0% 84.2% 15.8% ±  +/- 42% 0.70 0.87 0.06 0.05 100.00% 91.96% 2.49 0.23 2.21 0.20
12 12. Kd3 ! M 1 ↓ 25 — 0.64 15.8% 84.2% 0.0% ±  +/- 58% 0.64 ‑0.19 0.83 0.79 ! 100.00% 97.91% 1.42 0.12 1.39 0.12 12 12... Bf5+ ?! M 2 → 26 — 1.69 0.0% 1.8% 98.2% ++- 1% 0.69 1.69 ‑1.00 ‑0.42 ?! 80.05% 90.97% 3.49 0.29 2.63 0.22
13 13. Kc4 !! M 1 ↓ 25 — 1.69 98.2% 1.8% 0.0% ++- 99% 1.69 ‑2.52 4.21 1.73 !! 100.00% 98.07% 1.42 0.11 1.39 0.11 13 13... Be6+ M 2 → 25 — 1.97 0.0% 0.4% 99.6% ++- 0% 1.54 1.97 ‑0.43 ‑0.01 99.44% 91.62% 3.92 0.30 2.64 0.20
14 14. Kxc5 ! M 1 → 25 — 1.60 97.1% 2.9% 0.0% ++- 99% 1.60 0.44 1.16 0.56 ! 100.00% 98.21% 1.42 0.10 1.39 0.10 14 14... a5 M 1 → 27 — 1.65 0.0% 2.2% 97.8% ++- 1% 1.65 1.80 0.15 0.00 100.00% 92.22% 3.92 0.28 2.64 0.19
15 15. Nxc7 !! M 1 ↓ 26 — 1.65 97.8% 2.2% 0.0% ++- 99% 1.65 ‑5.81 7.46 1.73 !! 100.00% 98.33% 1.42 0.09 1.39 0.09 15 15... Qh5+ M 1 → 27 — 1.76 0.0% 1.2% 98.8% ++- 1% 1.76 4.70 2.94 0.02 100.00% 92.73% 3.92 0.26 2.64 0.18
16 16. Ne5 !! M 1 ↓ 26 — 1.76 98.8% 1.2% 0.0% ++- 99% 1.76 ‑2.31 4.07 1.78 !! 100.00% 98.43% 1.42 0.09 1.39 0.09 16 16... Nd7+ M 1 → 26 102 1.95 0.0% 0.4% 99.6% ++- 0% 1.95 2.84 0.89 0.00 100.00% 93.19% 3.92 0.25 2.64 0.16
17 17. Kb5 !! M 1 → 26 1 1.85 99.3% 0.7% 0.0% ++- 100% 1.85 ‑4.10 5.95 1.87 !! 100.00% 98.52% 1.42 0.08 1.39 0.08 17 17... Qxd1 M 1 ↓ 25 1 1.85 0.0% 0.7% 99.3% ++- 0% 1.85 4.60 2.75 0.01 100.00% 93.59% 3.92 0.23 2.64 0.16
18 18. Bxf4 ?? M >2 → 28 710 ‑4.22 0.0% 0.0% 100.0% --+ 0% 1.88 ‑1.35 ‑6.10 ‑1.90 ?? 0.37% 93.07% 7.52 0.42 3.29 0.18 18 18... Qxa1 !! M 1 ↓ 27 710 ‑4.22 100.0% 0.0% 0.0% --+ 100% ‑4.22 0.00 4.22 2.11 !! 100.00% 93.95% 3.92 0.22 2.64 0.15
19 19. Ka6 M 1 → 27 582 ‑4.40 0.0% 0.0% 100.0% --+ 0% ‑4.40 ‑5.29 0.89 0.00 100.00% 93.43% 7.52 0.40 3.29 0.17 19 19... Nxe5 M >2 → 27 414 ‑4.56 100.0% 0.0% 0.0% --+ 100% ‑4.40 1.86 0.16 0.00 100.00% 94.26% 3.92 0.21 2.64 0.14
20 20. Nxe8 M 1 → 29 1897 ‑4.60 0.0% 0.0% 100.0% --+ 0% ‑4.60 ‑5.62 1.02 0.00 100.00% 93.76% 7.52 0.38 3.29 0.16 20 20... f6 ?? M >2 → 27 619 0.00 0.4% 99.2% 0.4% = 50% ‑4.60 0.00 ‑4.60 ‑2.30 ?? 50.00% 92.05% 8.52 0.43 4.94 0.25
21 21. dxe5 !! M 1 → 43 55 0.00 0.4% 99.2% 0.4% = 50% 0.00 ‑5.09 5.09 2.54 !! 100.00% 94.06% 7.52 0.36 3.29 0.16 21 21... f5 M >2 → 46 14 0.00 0.4% 99.2% 0.4% = 50% 0.00 0.00 0.00 0.00 100.00% 92.43% 8.52 0.41 4.94 0.24
22 22. Be3 M 1 ↓ 45 14 0.00 0.4% 99.2% 0.4% = 50% 0.00 0.00 0.00 0.00 100.00% 94.33% 7.52 0.34 3.29 0.15 22 22... Rxe8 M >2 → 41 2 0.00 0.4% 99.2% 0.4% = 50% 0.00 10.52 0.00 0.00 100.00% 92.77% 8.52 0.39 4.94 0.22
23 23. Bb5 M >2 → 32 48 0.00 0.4% 99.2% 0.4% = 50% 0.00 0.00 0.00 0.00 100.00% 94.58% 7.52 0.33 3.29 0.14 23 23... Qxh1 !? M 1 → 49 71 0.00 0.4% 99.2% 0.4% = 50% 0.00 0.55 0.55 0.53 !? 100.00% 93.09% 8.52 0.37 4.94 0.21
24 24. Bc5 M >2 → 49 94 0.00 0.4% 99.2% 0.4% = 50% 0.00 0.00 0.00 0.00 100.00% 94.80% 7.52 0.31 3.29 0.14 24 24... Rd8 M 2 → 49 95 0.00 0.4% 99.2% 0.4% = 50% 0.00 0.00 0.00 0.00 100.00% 93.38% 8.52 0.35 4.94 0.21
25 25. Ba7+ M 1 → 60 471 0.00 0.4% 99.2% 0.4% = 50% 0.00 0.00 0.00 0.00 100.00% 95.01% 7.52 0.30 3.29 0.13 25 25... Kc7 S 1 ↓ 59 471 0.00 0.4% 99.2% 0.4% = 50% 0.00 — 0.00 0.00 100.00% 93.64% 8.52 0.34 4.94 0.20
26 26. Bb6+ M 1 ↓ 53 12 0.00 0.4% 99.2% 0.4% = 50% 0.00 0.00 0.00 0.00 100.00% 95.20% 7.52 0.29 3.29 0.13

⇑ game 1 — engine evaluated moves ⇑


⇓ game 2 — player data ⇓


Robert Steel ./. NN 
result: 1-0


game 1
statistics
type player White player Black
moves with own (↓) or from following move derived (→) precise engine evaluation 26 25
moves without precise engine evaluation — —
phantom moves without own, but from the following move derived (→) engine evaluation — —
optimal moves — evaluation gain ≧ 0.00 20 19
suboptimal moves — evaluation loss > 0.00 — evaluation gain < 0.00 6 6
brilliant moves !! 6 2
impressive moves ! 4 —
attractive moves !? 2 3
neutral moves — relevant win/loss <> 0.00 4 8
neutral moves with engine evaluation = 0.00 or for lack of comparative variation ≧ 0.00 7 7
questionable moves ?! 2 3
miserable moves ?? 1 2
extreme advantage — of White: ++- — of Black: --+ 5 2
moderate advantage — of White: ± — of Black: ∓ 2 2
slight advantage — of White: ⩲ — of Black: ⩱ 1 —
balanced position — engine evaluation <> 0.00 — = 9 9
balanced position or draw — engine evaluation = 0.00 — = 1 2
slight disadvantage — of White: ⩱ — of Black: ⩲ 3 2
moderate disadvantage — of White: ∓ — of Black: ± 2 1
extreme disadvantage — of White: --+ — of Black: ++- 3 7
engine evaluation at last move — »evaluation real move« 0.00 0.00
win probability as per WDL at last move — »win probability WDL« 0.4% 0.4%
draw probability as per WDL at last move — »draw probability WDL« 99.2% 99.2%
loss probability as per WDL at last move — »loss probability WDL« 0.4% 0.4%
position evaluation symbol at last move — »position evaluation symbol« = =
probabilistic game result at last move in % — »probab. game result« 50% 50%
average optimum rate at last move in % — »optimum rate Ø« 95.20% 93.64%
cumulated absolute losses at last move — »losses ∑ absolute« 7.52 8.52
average absolute losses at last move — »losses Ø absolute« 0.29 0.34
cumulated relevant losses at last move — »losses ∑ relevant« 3.29 4.94
average relevant losses at last move — »losses Ø relevant« 0.13 0.20
moves with engine/calculation-WDL-ERR analysis 26 25
average theoretical WDL evaluation for probabilistic game result 0.75 2.56 2.46
average theoretical WDL evaluation for probabilistic game result 27 3.80 3.65

⇑ game 1 — statistics ⇑


⇓ game 2 — PGN tags / evaluation settings ⇓


Christophe van de Loo ./. M Hesseling 
result: 1-0


game 2
player data
PGN tags / evaluation settings player White player Black
name Christophe van de Loo M Hesseling

⇑ game 2 — player data ⇑


⇓ game 2 — probabilistic game results ⇓


Christophe van de Loo ./. M Hesseling 
result: 1-0


game 2
PGN tags / evaluation settings
PGN tags / evaluation settings information
event/source/work Weekend Tournament, Holland
site *
date 1983.??.??
result 1-0
ECO C57
annotator Stockfish dev-20230606-54ad9867 S5
number of plies 95
scheme move evaluation 7 sectors - 1/7 1/7 1/7 1/14 1/14 1/7 1/7 1/7
scheme position evaluation 9 sectors - 1/9 1/9 1/9 1/9 1/18 1/18 1/9 1/9 1/9 1/9
scheme WDL evaluation relevance reduction as per original engine WDLs or calculation
variations: general parameters 2 — for White/Black — from move no. 1 until end of game
variations: analysis stop parameter time per move 30 seconds
FEN position before Variations start

⇑ game 2 — PGN tags / evaluation settings ⇑


⇓ game 2 — engine evaluated moves ⇓


Christophe van de Loo ./. M Hesseling 
result: 1-0


game 2
probabilistic game results
from the perspective of each player



⇑ game 2 — probabilistic game results ⇑


⇓ game 2 — statistics ⇓


Christophe van de Loo ./. M Hesseling 
result: 1-0


game 1
engine-evaluated moves
move no.     game move      multi/
single
mode		 game move
= variation
x		 move
evaluation
source		 search
depth
hm		 Syzygy
hits		 evaluation
real
move		 win
probability
WDL		 draw
probability
WDL		 loss
probability
WDL		 position
evaluation
symbol		 probab.
game
result		 evaluation
optimal
move		 evaluation
2nd best
move		 win/
loss
absolute		 win/
loss
relevant		 move
evaluation
symbol		 optimum
rate		 optimum
rate
Ø		 losses
∑
absolute		 losses
Ø
absolute		 losses
∑
relevant		 losses
Ø
relevant		 move no.     game move      multi/
single
mode		 game move
= x.variation		 move
evaluation
source		 search
depth
hm		 tbhits evaluation
real
move		 win
probability
WDL		 draw
probability
WDL		 loss
probability
WDL		 position
evaluation
symbol		 probab.
game
result		 evaluation
optimal
move		 evaluation
2nd best
move		 win/
loss
absolute		 win/
loss
relevant		 move
evaluation
symbol		 optimum
rate		 optimum
rate
Ø		 losses
∑
absolute		 losses
Ø
absolute		 losses
∑
relevant		 losses
Ø
relevant
1 1. e4 M >2 → 26 — 0.11 1.7% 97.8% 0.5% = 51% 0.29 0.25 ‑0.18 ‑0.18 97.39% 97.39% 0.18 0.18 0.18 0.18 1 1... e5 M 2 → 27 — 0.06 0.6% 98.1% 1.3% = 50% 0.06 0.11 0.05 0.05 100.00% 100.00% 0.00 0.00 0.00 0.00
2 2. Nf3 M 2 → 27 — 0.10 1.5% 98.0% 0.5% = 51% 0.10 0.06 0.04 0.04 100.00% 98.70% 0.18 0.09 0.18 0.09 2 2... Nc6 M 1 → 28 — 0.04 0.7% 98.3% 1.0% = 50% 0.04 0.12 0.08 0.08 100.00% 100.00% 0.00 0.00 0.00 0.00
3 3. Bc4 M >2 → 28 — 0.00 0.8% 98.4% 0.8% = 50% 0.04 0.00 ‑0.04 ‑0.04 99.70% 99.03% 0.22 0.07 0.22 0.07 3 3... Nf6 M 1 → 29 — 0.15 0.4% 97.8% 1.8% = 49% 0.09 0.15 ‑0.06 ‑0.06 99.50% 99.83% 0.06 0.02 0.06 0.02
4 4. Ng5 M >2 → 27 — ‑0.27 0.2% 96.5% 3.3% = 48% 0.15 0.00 ‑0.42 ‑0.42 94.20% 97.82% 0.64 0.16 0.64 0.16 4 4... Bc5 ?? M >2 → 25 — 1.46 0.0% 6.2% 93.8% ++- 3% ‑0.27 0.65 ‑1.73 ‑1.15 ?? 35.07% 83.64% 1.79 0.45 1.21 0.30
5 5. Nxf7 ! M 1 → 26 — 1.54 96.0% 4.0% 0.0% ++- 98% 1.54 0.46 1.08 0.52 ! 100.00% 98.26% 0.64 0.13 0.64 0.13 5 5... Bxf2+ M 1 → 27 — 1.58 0.0% 3.3% 96.7% ++- 2% 1.58 2.62 1.04 0.02 100.00% 86.91% 1.79 0.36 1.21 0.24
6 6. Kxf2 M 2 → 26 — 1.22 81.7% 18.3% 0.0% ++- 91% 1.58 1.22 ‑0.36 ‑0.04 97.45% 98.12% 1.00 0.17 0.68 0.11 6 6... Nxe4+ M 1 → 29 — 1.30 0.0% 13.3% 86.7% ++- 7% 1.30 2.92 1.62 0.11 100.00% 89.10% 1.79 0.30 1.21 0.20
7 7. Ke3 !! M 1 ↓ 28 — 1.30 86.7% 13.3% 0.0% ++- 93% 1.30 0.00 1.30 0.74 !! 100.00% 98.39% 1.00 0.14 0.68 0.10 7 7... Qe7 M >2 → 27 — 1.32 0.0% 12.1% 87.9% ++- 6% 1.21 1.94 ‑0.11 ‑0.02 98.85% 90.49% 1.90 0.27 1.23 0.18
8 8. c3 ?? M >2 → 24 — ‑0.98 0.0% 44.9% 55.1% --+ 22% 1.32 0.00 ‑2.30 ‑1.52 ?? 6.88% 86.95% 3.30 0.41 2.20 0.28 8 8... Nd4 ?? M >2 → 25 — 3.13 0.0% 0.0% 100.0% ++- 0% ‑0.98 0.00 ‑4.11 ‑1.90 ?? 20.23% 81.71% 6.01 0.75 3.13 0.39
9 9. Kxe4 ?? M >2 → 23 — 0.00 0.6% 98.8% 0.6% = 50% 3.13 1.74 ‑3.13 ‑1.56 ?? 50.00% 82.85% 6.43 0.71 3.76 0.42 9 9... Qh4+ M 1 → 24 — 0.00 0.6% 98.8% 0.6% = 50% 0.00 0.29 0.29 0.29 100.00% 83.74% 6.01 0.67 3.13 0.35
10 10. Ke3 !? M 1 → 27 — 0.00 0.6% 98.8% 0.6% = 50% 0.00 ‑0.69 0.69 0.62 !? 100.00% 84.56% 6.43 0.64 3.76 0.38 10 10... Qf4+ M 1 → 33 — 0.00 0.6% 98.8% 0.6% = 50% 0.00 0.04 0.04 0.04 100.00% 85.37% 6.01 0.60 3.13 0.31
11 11. Kd3 S 1 ↓ 32 — 0.00 0.6% 98.8% 0.6% = 50% 0.00 — 0.00 0.00 100.00% 85.97% 6.43 0.58 3.76 0.34 11 11... d5 M 2 → 27 — 0.00 0.6% 98.8% 0.6% = 50% 0.00 0.00 0.00 0.00 100.00% 86.70% 6.01 0.55 3.13 0.28
12 12. Bxd5 !! M 1 ↓ 26 — 0.00 0.6% 98.8% 0.6% = 50% 0.00 ‑1.52 1.52 0.79 !! 100.00% 87.14% 6.43 0.54 3.76 0.31 12 12... Bf5+ !! M 1 → 31 — 0.00 0.6% 98.9% 0.6% = 50% 0.00 3.79 3.79 1.89 !! 100.00% 87.80% 6.01 0.50 3.13 0.26
13 13. Kc4 !! M 1 ↓ 30 — 0.00 0.6% 98.9% 0.6% = 50% 0.00 ‑299.93 ‑M4 299.93 149.96 !! 100.00% 88.12% 6.43 0.49 3.76 0.29 13 13... b5+ !! M 1 → 27 — 0.00 0.5% 99.0% 0.5% = 50% 0.00 1.63 1.63 0.83 !! 100.00% 88.74% 6.01 0.46 3.13 0.24
14 14. Kc5 !! M 1 ↓ 26 — 0.00 0.5% 99.0% 0.5% = 50% 0.00 ‑6.38 6.38 3.19 !! 100.00% 88.97% 6.43 0.46 3.76 0.27 14 14... Qh4 M >2 → 23 — ‑0.30 2.7% 97.2% 0.1% = 51% 0.00 0.37 0.30 0.30 100.00% 89.55% 6.01 0.43 3.13 0.22
15 15. Nxe5 !! M 1 → 24 — ‑0.20 0.2% 98.2% 1.6% = 49% ‑0.20 ‑7.77 7.57 3.73 !! 100.00% 89.71% 6.43 0.43 3.76 0.25 15 15... O‑O‑O !! M >2 → 23 — ‑6.50 100.0% 0.0% 0.0% --+ 100% ‑0.20 1.67 6.30 3.11 !! 100.00% 90.24% 6.01 0.40 3.13 0.21
16 16. c4 M 1 → 26 — ‑8.54 0.0% 0.0% 100.0% --+ 0% ‑8.54 ‑299.81 ‑M10 291.27 0.00 100.00% 90.35% 6.43 0.40 3.76 0.24 16 16... Rxd5+ M >2 → 21 — ‑3.24 100.0% 0.0% 0.0% --+ 100% ‑8.54 ‑7.41 ‑5.30 0.00 100.00% 90.85% 11.31 0.71 3.13 0.20
17 17. cxd5 M 1 ↓ 20 — ‑3.24 0.0% 0.0% 100.0% --+ 0% ‑3.24 ‑299.91 ‑M5 296.67 0.00 100.00% 90.92% 6.43 0.38 3.76 0.22 17 17... Rd8 M >2 → 18 — ‑5.27 100.0% 0.0% 0.0% --+ 100% ‑3.34 ‑2.83 1.93 0.00 100.00% 91.39% 11.31 0.67 3.13 0.18
18 18. Nc3 M 1 → 21 — ‑6.26 0.0% 0.0% 100.0% --+ 0% ‑6.26 ‑299.81 ‑M10 293.55 0.00 100.00% 91.42% 6.43 0.36 3.76 0.21 18 18... Nc6 ? M >2 → 20 — ‑1.00 53.7% 46.3% 0.0% ∓  -/+ 77% ‑6.26 ‑1.80 ‑5.26 ‑1.22 ? 68.76% 90.13% 16.57 0.92 4.35 0.24
19 19. Qa4 ? M 2 → 21 — ‑4.75 0.0% 0.0% 100.0% --+ 0% ‑1.00 ‑4.75 ‑3.75 ‑0.86 ? 72.99% 90.45% 10.18 0.54 4.62 0.24 19 19... Qe7+ M 1 → 24 1 ‑5.18 100.0% 0.0% 0.0% --+ 100% ‑5.18 ‑3.20 1.98 0.00 100.00% 90.65% 16.57 0.87 4.35 0.23
20 20. Kxb5 M 1 → 25 — ‑5.41 0.0% 0.0% 100.0% --+ 0% ‑5.41 ‑6.88 1.47 0.00 100.00% 90.93% 10.18 0.51 4.62 0.23 20 20... Qxe5 ?? M >2 → 27 6 0.95 0.0% 53.7% 46.3% ±  +/- 27% ‑5.41 0.75 ‑6.36 ‑2.66 ?? 31.06% 87.67% 22.93 1.15 7.01 0.35
21 21. Qc4 ?! M >2 → 26 7 0.47 5.7% 94.3% 0.0% ±  +/- 53% 0.95 0.53 ‑0.48 ‑0.36 ?! 81.92% 90.50% 10.66 0.51 4.98 0.24 21 21... Nd4+ ? M >2 → 29 27 1.65 0.0% 2.3% 97.7% ++- 1% 0.47 0.61 ‑1.18 ‑0.57 ? 72.25% 86.94% 24.11 1.15 7.58 0.36
22 22. Ka4 ?? M >2 → 27 — 0.00 0.4% 99.2% 0.4% = 50% 1.65 0.00 ‑1.65 ‑0.84 ?? 50.03% 88.66% 12.31 0.56 5.82 0.26 22 22... Bd7+ !! M 1 → 35 — 0.00 0.4% 99.2% 0.4% = 50% 0.00 2.21 2.21 1.11 !! 100.00% 87.53% 24.11 1.10 7.58 0.34
23 23. Ka5 M >2 → 25 — 0.00 0.4% 99.2% 0.4% = 50% 0.00 0.00 0.00 0.00 100.00% 89.15% 12.31 0.54 5.82 0.25 23 23... Nc6+ !! M 1 → 42 6 0.00 0.4% 99.2% 0.4% = 50% 0.00 1.71 1.71 0.87 !! 100.00% 88.07% 24.11 1.05 7.58 0.33
24 24. Ka6 M >2 → 26 — 0.00 0.4% 99.2% 0.4% = 50% 0.00 0.00 0.00 0.00 100.00% 89.61% 12.31 0.51 5.82 0.24 24 24... Nb8+ !? M 1 → 40 — 0.00 0.4% 99.2% 0.4% = 50% 0.00 0.57 0.57 0.54 !? 100.00% 88.57% 24.11 1.00 7.58 0.32
25 25. Kxa7 ?? M >2 → 62 — ‑299.90 ‑M5 0.0% 0.0% 100.0% --+ 0% 0.00 ‑299.91 ‑M5 ‑299.90 ‑149.95 ?? 50.00% 88.02% 312.21 12.49 155.77 6.23 25 25... c6 ?? M >2 → 28 36 2.63 0.0% 0.0% 100.0% ++- 0% ‑299.91 ‑M5 ‑299.83 ‑M9 ‑302.54 ‑2.58 ?? 0.00% 85.03% 326.65 13.07 10.16 0.41
26 26. Nb5 M >2 → 26 14 2.41 100.0% 0.0% 0.0% ++- 100% 2.63 ‑299.79 ‑M11 ‑0.22 0.00 100.00% 88.48% 312.43 12.02 155.77 5.99 26 26... Bf5 M 2 → 26 180 5.23 0.0% 0.0% 100.0% ++- 0% 2.41 5.23 ‑2.82 0.00 100.00% 85.60% 329.47 12.67 10.16 0.39
27 27. d4 M >2 → 21 — 1.79 98.8% 1.2% 0.0% ++- 99% 5.23 3.86 ‑3.44 ‑0.02 98.89% 88.87% 315.87 11.70 155.79 5.77 27 27... Rd7+ M >2 → 22 — 6.50 0.0% 0.0% 100.0% ++- 0% 1.79 4.72 ‑4.71 ‑0.03 98.58% 86.09% 334.18 12.38 10.19 0.38
28 28. Ka8 M >2 → 24 1 6.71 100.0% 0.0% 0.0% ++- 100% 6.50 5.48 0.21 0.00 100.00% 89.27% 315.87 11.28 155.79 5.56 28 28... Qe7 M >2 → 24 6 7.25 0.0% 0.0% 100.0% ++- 0% 6.71 6.99 ‑0.54 0.00 100.00% 86.58% 334.72 11.95 10.19 0.36
29 29. dxc6 M >2 → 22 46 4.70 100.0% 0.0% 0.0% ++- 100% 7.25 4.57 ‑2.55 0.00 100.00% 89.64% 318.42 10.98 155.79 5.37 29 29... Be4 M 1 → 27 311 4.86 0.0% 0.0% 100.0% ++- 0% 4.86 9.63 4.77 0.00 100.00% 87.04% 334.72 11.54 10.19 0.35
30 30. d5 M >2 → 26 266 3.46 100.0% 0.0% 0.0% ++- 100% 4.86 2.56 ‑1.40 0.00 100.00% 89.98% 319.82 10.66 155.79 5.19 30 30... Bxd5 M 1 ↓ 25 266 3.46 0.0% 0.0% 100.0% ++- 0% 3.46 9.58 6.12 0.00 100.00% 87.48% 334.72 11.16 10.19 0.34
31 31. Qxd5 !! M 1 ↓ 24 82 3.37 100.0% 0.0% 0.0% ++- 100% 3.37 ‑41.37 44.74 3.36 !! 100.00% 90.30% 319.82 10.32 155.79 5.03 31 31... Rxd5 M 1 → 25 2941 3.52 0.0% 0.0% 100.0% ++- 0% 3.52 20.22 16.70 0.00 100.00% 87.88% 334.72 10.80 10.19 0.33
32 32. Na7+ !! M 1 → 26 937 3.63 100.0% 0.0% 0.0% ++- 100% 3.63 ‑2.93 6.56 2.93 !! 100.00% 90.61% 319.82 9.99 155.79 4.87 32 32... Kd8 M 1 ↓ 25 937 3.63 0.0% 0.0% 100.0% ++- 0% 3.63 4.28 0.65 0.00 100.00% 88.26% 334.72 10.46 10.19 0.32
33 33. Kxb8 ?? M >2 → 29 38900 ‑299.88 ‑M6 0.0% 0.0% 100.0% --+ 0% 5.27 3.69 ‑305.15 ‑5.22 ?? 0.00% 87.86% 624.97 18.94 161.01 4.88 33 33... Qc7+ ?? M >2 → 28 2773 4.49 0.0% 0.0% 100.0% ++- 0% ‑299.89 ‑M6 ‑5.79 ‑304.38 ‑4.44 ?? 0.00% 85.58% 639.10 19.37 14.63 0.44
34 34. Ka8 S 1 ↓ 27 2773 4.49 100.0% 0.0% 0.0% ++- 100% 4.49 — 0.00 0.00 100.00% 88.22% 624.97 18.38 161.01 4.74 34 34... Ra5 M >2 → 26 6269 6.50 0.0% 0.0% 100.0% ++- 0% 4.89 5.73 ‑1.61 0.00 100.00% 86.01% 640.71 18.84 14.63 0.43
35 35. Bg5+ !! M 1 → 26 1427 6.54 100.0% 0.0% 0.0% ++- 100% 6.54 ‑299.85 ‑M8 306.39 6.49 !! 100.00% 88.56% 624.97 17.86 161.01 4.60 35 35... Rxg5 M 1 → 26 4236 6.62 0.0% 0.0% 100.0% ++- 0% 6.62 8.80 2.18 0.00 100.00% 86.41% 640.71 18.31 14.63 0.42
36 36. Rad1+ M 1 → 28 6724 6.73 100.0% 0.0% 0.0% ++- 100% 6.73 6.61 0.12 0.00 100.00% 88.87% 624.97 17.36 161.01 4.47 36 36... Ke8 M 1 ↓ 27 6724 6.73 0.0% 0.0% 100.0% ++- 0% 6.73 6.76 0.03 0.00 100.00% 86.79% 640.71 17.80 14.63 0.41
37 37. Rhe1+ M 1 → 27 1924 6.75 100.0% 0.0% 0.0% ++- 100% 6.75 6.39 0.36 0.00 100.00% 89.17% 624.97 16.89 161.01 4.35 37 37... Kf8 M 1 ↓ 26 1924 6.75 0.0% 0.0% 100.0% ++- 0% 6.75 7.02 0.27 0.00 100.00% 87.14% 640.71 17.32 14.63 0.40
38 38. Rd7 M 2 → 26 5715 6.89 100.0% 0.0% 0.0% ++- 100% 6.89 6.67 0.22 0.00 100.00% 89.46% 624.97 16.45 161.01 4.24 38 38... Qxh2 M 2 → 26 6978 7.84 0.0% 0.0% 100.0% ++- 0% 6.89 7.84 ‑0.95 0.00 100.00% 87.48% 641.66 16.89 14.63 0.38
39 39. Ree7 M >2 → 24 14402 6.40 100.0% 0.0% 0.0% ++- 100% 7.84 7.03 ‑1.44 0.00 100.00% 89.73% 626.41 16.06 161.01 4.13 39 39... Qxg2 M 2 → 24 17851 7.06 0.0% 0.0% 100.0% ++- 0% 6.40 7.06 ‑0.66 0.00 100.00% 87.80% 642.32 16.47 14.63 0.38
40 40. Rb7 M 1 → 25 11914 7.48 100.0% 0.0% 0.0% ++- 100% 7.48 6.80 0.68 0.00 100.00% 89.99% 626.41 15.66 161.01 4.03 40 40... Rc5 M >2 → 36 150303 199.71 0.0% 0.0% 100.0% ++- 0% 7.48 7.63 ‑192.23 0.00 100.00% 88.11% 834.55 20.86 14.63 0.37
41 41. c7 M >2 → 24 26796 6.25 100.0% 0.0% 0.0% ++- 100% 199.71 199.66 ‑193.46 0.00 100.00% 90.23% 819.87 20.00 161.01 3.93 41 41... Qg4 M >2 → 25 23202 8.21 0.0% 0.0% 100.0% ++- 0% 6.25 6.40 ‑1.96 0.00 100.00% 88.40% 836.51 20.40 14.63 0.36
42 42. Rf7+ M >2 → 25 17498 5.95 100.0% 0.0% 0.0% ++- 100% 8.21 5.83 ‑2.26 0.00 100.00% 90.46% 822.13 19.57 161.01 3.83 42 42... Ke8 M 2 ↓ 24 17498 8.82 0.0% 0.0% 100.0% ++- 0% 5.95 8.82 ‑2.87 0.00 100.00% 88.67% 839.38 19.99 14.63 0.35
43 43. b4 M 1 ↓ 22 8534 10.53 100.0% 0.0% 0.0% ++- 100% 10.53 9.64 0.89 0.00 100.00% 90.68% 822.13 19.12 161.01 3.74 43 43... Rc2 M >2 → 24 20590 10.22 0.0% 0.0% 100.0% ++- 0% 11.10 11.58 0.88 0.00 100.00% 88.94% 839.38 19.52 14.63 0.34
44 44. a4 M >2 → 25 22737 6.82 100.0% 0.0% 0.0% ++- 100% 10.22 6.56 ‑3.40 0.00 100.00% 90.90% 825.53 18.76 161.01 3.66 44 44... h5 M >2 → 23 24241 8.50 0.0% 0.0% 100.0% ++- 0% 6.82 7.14 ‑1.68 0.00 100.00% 89.19% 841.06 19.12 14.63 0.33
45 45. a5 M 2 → 24 8701 8.97 100.0% 0.0% 0.0% ++- 100% 8.97 8.50 0.47 0.00 100.00% 91.10% 825.53 18.35 161.01 3.58 45 45... h4 M >2 → 24 15030 14.41 0.0% 0.0% 100.0% ++- 0% 8.97 9.54 ‑5.44 0.00 100.00% 89.43% 846.50 18.81 14.63 0.33
46 46. b5 M 1 → 25 145473 38.68 100.0% 0.0% 0.0% ++- 100% 38.68 9.51 29.17 0.00 100.00% 91.29% 825.53 17.95 161.01 3.50 46 46... h3 M >2 → 39 402182 299.75 M13 0.0% 0.0% 100.0% ++- 0% 38.68 54.65 ‑261.07 0.00 100.00% 89.66% 1107.57 24.08 14.63 0.32
47 47. Nc6 M 1 → 49 380800 299.79 M11 100.0% 0.0% 0.0% ++- 100% 299.80 M10 299.72 M14 0.07 0.00 100.00% 91.48% 825.53 17.56 161.01 3.43 47 47... h2 M >2 → 104 10011 299.95 M3 0.0% 0.0% 100.0% ++- 0% 299.80 M10 299.80 M10 ‑0.15 0.00 100.00% 89.88% 1107.72 23.57 14.63 0.31
48 48. Rxg7 M 2 ↓ 103 10011 299.88 M6 100.0% 0.0% 0.0% ++- 100% 299.96 M2 299.88 M6 ‑0.08 0.00 100.00% 91.66% 825.61 17.20 161.01 3.35

⇑ game 2 — engine evaluated moves ⇑


⇓ game 2 — end ⇓


Christophe van de Loo ./. M Hesseling 
result: 1-0


game 2
statistics
type player White player Black
moves with own (↓) or from following move derived (→) precise engine evaluation 48 47
moves without precise engine evaluation — —
phantom moves without own, but from the following move derived (→) engine evaluation — —
optimal moves — evaluation gain ≧ 0.00 28 24
suboptimal moves — evaluation loss > 0.00 — evaluation gain < 0.00 20 23
brilliant moves !! 8 5
impressive moves ! 1 —
attractive moves !? 1 1
neutral moves — relevant win/loss <> 0.00 6 10
neutral moves with engine evaluation = 0.00 or for lack of comparative variation ≧ 0.00 25 24
questionable moves ?! 1 —
unsuitable moves ? 1 2
miserable moves ?? 5 5
extreme advantage — of White: ++- — of Black: --+ 25 4
moderate advantage — of White: ± — of Black: ∓ 1 1
balanced position — engine evaluation <> 0.00 — = 7 5
balanced position or draw — engine evaluation = 0.00 — = 7 7
moderate disadvantage — of White: ∓ — of Black: ± — 1
extreme disadvantage — of White: --+ — of Black: ++- 8 29
engine evaluation at last move — »evaluation real move« 299.88 M6 299.95 M3
win probability as per WDL at last move — »win probability WDL« 100.0% 0.0%
draw probability as per WDL at last move — »draw probability WDL« 0.0% 0.0%
loss probability as per WDL at last move — »loss probability WDL« 0.0% 100.0%
position evaluation symbol at last move — »position evaluation symbol« ++- ++-
probabilistic game result at last move in % — »probab. game result« 100% 0%
average optimum rate at last move in % — »optimum rate Ø« 91.66% 89.88%
cumulated absolute losses at last move — »losses ∑ absolute« 825.61 1107.72
average absolute losses at last move — »losses Ø absolute« 17.20 23.57
cumulated relevant losses at last move — »losses ∑ relevant« 161.01 14.63
average relevant losses at last move — »losses Ø relevant« 3.35 0.31
moves with engine/calculation-WDL-ERR analysis 48 47
average theoretical WDL evaluation for probabilistic game result 0.75 15.10 6.17
average theoretical WDL evaluation for probabilistic game result 27 22.66 9.33

⇑ game 2 — statistics ⇑