r1b1k2r/pp2pp1p/n5p1/2p3N1/3p2n1/P2P2P1/1PPQBP1P/RNB1R1K1 w kq - 1 13
FEN state: r1b1k2r/pp2pp1p/n5p1/2p3N1/3p2n1/P2P2P1/1PPQBP1P/RNB1R1K1 w kq - 1 13 ; Best move: d2f4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7, black pawn at f7 and black pawn at h7. Black knight at a6 and black pawn at g6. Black pawn at c5 and white knight at g5. Black pawn at d4 and black knight at g4. White pawn at a3, white pawn at d3 and white pawn at g3. White pawn at b2, white pawn at c2, white queen at d2, white bishop at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white rook at e1 and white king at g1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. White to move.