r1q1k2r/p1pp3p/b1n2npB/1p2p3/1P1P4/P2p4/R1P2PPP/1NQ1KB1R w Kkq - 2 13
FEN state: r1q1k2r/p1pp3p/b1n2npB/1p2p3/1P1P4/P2p4/R1P2PPP/1NQ1KB1R w Kkq - 2 13 ; Best move: f1d3
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7 and black pawn at h7. Black bishop at a6, black knight at c6, black knight at f6, black pawn at g6 and white bishop at h6. Black pawn at b5 and black pawn at e5. White pawn at b4 and white pawn at d4. White pawn at a3 and black pawn at d3. White rook at a2, white pawn at c2, white pawn at f2, white pawn at g2 and white pawn at h2. White knight at b1, white queen at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 2. Full move number is 13. White to move.