r1b5/3k1p2/pn2q1p1/1pp3Pp/2QnP2P/NP1P4/P7/R3KBNR w KQ - 4 23
FEN state: r1b5/3k1p2/pn2q1p1/1pp3Pp/2QnP2P/NP1P4/P7/R3KBNR w KQ - 4 23 ; Best move: c4c5
The current state of the chess board is: Black rook at a8 and black bishop at c8. Black king at d7 and black pawn at f7. Black pawn at a6, black knight at b6, black queen at e6 and black pawn at g6. Black pawn at b5, black pawn at c5, white pawn at g5 and black pawn at h5. White queen at c4, black knight at d4, white pawn at e4 and white pawn at h4. White knight at a3, white pawn at b3 and white pawn at d3. White pawn at a2. White rook at a1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 4. Full move number is 23. White to move.