rn1r4/p2pk1pp/bB2p3/NPp2p2/1PPb4/3P3N/R3P1PP/1Q2KB1R w K - 2 23
FEN state: rn1r4/p2pk1pp/bB2p3/NPp2p2/1PPb4/3P3N/R3P1PP/1Q2KB1R w K - 2 23 ; Best move: b6c5
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at d8. Black pawn at a7, black pawn at d7, black king at e7, black pawn at g7 and black pawn at h7. Black bishop at a6, white bishop at b6 and black pawn at e6. White knight at a5, white pawn at b5, black pawn at c5 and black pawn at f5. White pawn at b4, white pawn at c4 and black bishop at d4. White pawn at d3 and white knight at h3. White rook at a2, white pawn at e2, white pawn at g2 and white pawn at h2. White queen at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 2. Full move number is 23. White to move.