r3k2r/pb1nbp1p/Bp1p1qp1/4p1P1/PPpP2nP/4PN1R/2P2P2/RNBQK3 w Qkq - 1 13
FEN state: r3k2r/pb1nbp1p/Bp1p1qp1/4p1P1/PPpP2nP/4PN1R/2P2P2/RNBQK3 w Qkq - 1 13 ; Best move: g5f6
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at h8. Black pawn at a7, black bishop at b7, black knight at d7, black bishop at e7, black pawn at f7 and black pawn at h7. White bishop at a6, black pawn at b6, black pawn at d6, black queen at f6 and black pawn at g6. Black pawn at e5 and white pawn at g5. White pawn at a4, white pawn at b4, black pawn at c4, white pawn at d4, black knight at g4 and white pawn at h4. White pawn at e3, white knight at f3 and white rook at h3. White pawn at c2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1 and white king at e1. White queenside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. White to move.