r1b1qbnr/1n2p1kp/B4p2/p2pPP2/6pP/P4N2/RPPP4/1NBR2K1 w - - 3 23
FEN state: r1b1qbnr/1n2p1kp/B4p2/p2pPP2/6pP/P4N2/RPPP4/1NBR2K1 w - - 3 23 ; Best move: a6b7
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at e8, black bishop at f8, black knight at g8 and black rook at h8. Black knight at b7, black pawn at e7, black king at g7 and black pawn at h7. White bishop at a6 and black pawn at f6. Black pawn at a5, black pawn at d5, white pawn at e5 and white pawn at f5. Black pawn at g4 and white pawn at h4. White pawn at a3 and white knight at f3. White rook at a2, white pawn at b2, white pawn at c2 and white pawn at d2. White knight at b1, white bishop at c1, white rook at d1 and white king at g1. Both players have exhausted their castles. Half move number is 3. Full move number is 23. White to move.