r1b1qbr1/p1p1kppp/n3p3/1p4N1/1P2p1PP/B1NP4/P1P5/R2QKB1R w KQ - 0 13
FEN state: r1b1qbr1/p1p1kppp/n3p3/1p4N1/1P2p1PP/B1NP4/P1P5/R2QKB1R w KQ - 0 13 ; Best move: d3e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at c7, black king at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black knight at a6 and black pawn at e6. Black pawn at b5 and white knight at g5. White pawn at b4, black pawn at e4, white pawn at g4 and white pawn at h4. White bishop at a3, white knight at c3 and white pawn at d3. White pawn at a2 and white pawn at c2. White rook at a1, white queen at d1, 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 0. Full move number is 13. White to move.