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1. Nf3 e6 2. e3 Bb4 3. c3 Qf6 4. Qa4 Bf8
transpositions from: c5f8 · h6g8 · b4f8 · d6f8 · a6b8
Community correction

Inverse Atomic Attack

Reference: 1. Nf3 e6 2. e3

Previously “Swapped Atomic Attack”.

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WHITE_WIN (practical, via MINIMAX) · ≤M1

This position: analysed (128.0M nodes across 1 pass) — Moves here: 1 searched · 4 from lines only

witness move: a4d7 (follow it below) end of line

proven by minimax from its replies: a4d7 wins

rnb1kbnr/pppp1ppp/4pq2/8/Q7/2P1PN2/PP1P1PPP/RNB1KB1R w KQkq - 0 1

visits 1 · nodes 128.0M · 21.2s

raw engine output (last analysis)
info depth 11 seldepth 2 multipv 1 score mate 1 nodes 128001366 nps 6046927 hashfull 835 tbhits 23 time 21168 pv a4d7
info depth 11 seldepth 18 multipv 2 score cp 1686 nodes 128001366 nps 6046642 hashfull 835 tbhits 23 time 21169 pv f1d3 c7c6 d3g6 f7g6 a4h4 g8f6 f3g5 e6e5 g5e6 f8e7 f2f4 e5e4 e6c7 e8d8 c7e6 d8e8
info depth 11 seldepth 74 multipv 3 score cp 1509 nodes 128001366 nps 6046642 hashfull 835 tbhits 23 time 21169 pv f1c4 b8c6 c4e6 d7d5 f3g5 f7f5 g5f7 g8f6 f7d6 e8e7 d6b7 f6e4 a4e4 e7d7
info depth 11 seldepth 30 multipv 4 score cp 1332 nodes 128001366 nps 6046642 hashfull 835 tbhits 23 time 21169 pv a4b5 b8c6 e1d1 b7b6 f3g5 f6g5 b5g5 f7f6 g5g7 c6e5 f1b5 c7c6 d2d3 d7d5
info depth 10 seldepth 51 multipv 5 score cp 1264 nodes 128001366 nps 6046642 hashfull 835 tbhits 23 time 21169 pv e1d1 b7b5 a4h4 g7g5 h4h5 e8d8 f1d3 h7h6 h5f7 d7d6 d3g6 c8b7 d2d3 c7c5 g6e8 c5c4 e3e4 a7a6

Moves

movestateevalpn / dndepth
a4d7WHITE_WIN TERMINAL≤M1-
f1d3unexplored1686-
f1c4unexplored1509-
a4b5unexplored1332-
e1d1unexplored1264-
a4d1 enters Boat, Anchor Variationunsolved469backed ·18153 / 4410B
a2a3unexplorednot analysed-
a4a3unexplorednot analysed-
a4a5unexplorednot analysed-
a4a6unexplorednot analysed-
a4a7unexplorednot analysed-
a4b3unexplorednot analysed-
a4b4unexplorednot analysed-
a4c2unexplorednot analysed-
a4c4unexplorednot analysed-
a4c6unexplorednot analysed-
a4d4unexplorednot analysed-
a4e4unexplorednot analysed-
a4f4unexplorednot analysed-
a4g4unexplorednot analysed-
a4h4unexplorednot analysed-
b1a3unexplorednot analysed-
b2b3unexplorednot analysed-
b2b4unexplorednot analysed-
c3c4unexplorednot analysed-
d2d3unexplorednot analysed-
d2d4unexplorednot analysed-
e1e2unexplorednot analysed-
e3e4unexplorednot analysed-
f1a6unexplorednot analysed-
f1b5unexplorednot analysed-
f1e2unexplorednot analysed-
f3d4unexplorednot analysed-
f3e5unexplorednot analysed-
f3g1unexplorednot analysed-
f3g5unexplorednot analysed-
f3h4unexplorednot analysed-
g2g3unexplorednot analysed-
g2g4unexplorednot analysed-
h1g1unexplorednot analysed-
h2h3unexplorednot analysed-
h2h4unexplorednot analysed-