rnb1qr2/p1k1bp1p/2p2np1/1p1pp1P1/1N2PP2/2P4N/PPQP3P/R1B1KB1R w KQ - 1 13
FEN state: rnb1qr2/p1k1bp1p/2p2np1/1p1pp1P1/1N2PP2/2P4N/PPQP3P/R1B1KB1R w KQ - 1 13 ; Best move: g5f6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at e8 and black rook at f8. Black pawn at a7, black king at c7, black bishop at e7, black pawn at f7 and black pawn at h7. Black pawn at c6, black knight at f6 and black pawn at g6. Black pawn at b5, black pawn at d5, black pawn at e5 and white pawn at g5. White knight at b4, white pawn at e4 and white pawn at f4. White pawn at c3 and white knight at h3. White pawn at a2, white pawn at b2, white queen at c2, white pawn at d2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 13. White to move.