rnbq2r1/ppp2kp1/3b1n1p/Q3pp2/2PpN2P/P5PN/RP1PPP2/2B1KB1R b K - 1 13
FEN state: rnbq2r1/ppp2kp1/3b1n1p/Q3pp2/2PpN2P/P5PN/RP1PPP2/2B1KB1R b K - 1 13 ; Best move: f5e4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at c7, black king at f7 and black pawn at g7. Black bishop at d6, black knight at f6 and black pawn at h6. White queen at a5, black pawn at e5 and black pawn at f5. White pawn at c4, black pawn at d4, white knight at e4 and white pawn at h4. White pawn at a3, white pawn at g3 and white knight at h3. White rook at a2, white pawn at b2, white pawn at d2, white pawn at e2 and white pawn at f2. White bishop at c1, 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 1. Full move number is 13. Black to move.