r4bnr/p2p2p1/1Nn2p1p/2P2k2/1pP5/8/PB1P1N1P/2KR1B1b w - - 0 23
FEN state: r4bnr/p2p2p1/1Nn2p1p/2P2k2/1pP5/8/PB1P1N1P/2KR1B1b w - - 0 23 ; Best move: b6a8
The current state of the chess board is: Black rook at a8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at d7 and black pawn at g7. White knight at b6, black knight at c6, black pawn at f6 and black pawn at h6. White pawn at c5 and black king at f5. Black pawn at b4 and white pawn at c4. White pawn at a2, white bishop at b2, white pawn at d2, white knight at f2 and white pawn at h2. White king at c1, white rook at d1, white bishop at f1 and black bishop at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.