rn2k1nr/2pp1pb1/p5pp/4p1q1/2P2B2/1Q1P1bP1/P3PPBP/RN2KR2 w Qkq - 0 13
FEN state: rn2k1nr/2pp1pb1/p5pp/4p1q1/2P2B2/1Q1P1bP1/P3PPBP/RN2KR2 w Qkq - 0 13 ; Best move: f4g5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at d7, black pawn at f7 and black bishop at g7. Black pawn at a6, black pawn at g6 and black pawn at h6. Black pawn at e5 and black queen at g5. White pawn at c4 and white bishop at f4. White queen at b3, white pawn at d3, black bishop at f3 and white pawn at g3. White pawn at a2, white pawn at e2, white pawn at f2, white bishop at g2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1 and white rook at f1. White queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. White to move.