1r1qk2r/pbpnpp1p/1p3B1n/3pQ1p1/2P1P3/1P4P1/P2P1P2/RN1K2NR w k - 1 23
FEN state: 1r1qk2r/pbpnpp1p/1p3B1n/3pQ1p1/2P1P3/1P4P1/P2P1P2/RN1K2NR w k - 1 23 ; Best move: e5g5
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at c7, black knight at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at b6, white bishop at f6 and black knight at h6. Black pawn at d5, white queen at e5 and black pawn at g5. White pawn at c4 and white pawn at e4. White pawn at b3 and white pawn at g3. White pawn at a2, white pawn at d2 and white pawn at f2. White rook at a1, white knight at b1, white king at d1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 23. White to move.