r1q1kbnr/p1pN2p1/2b1p2p/1p3p2/1n1P4/N4QPP/PPP2P2/R1B1KBR1 w Qkq - 1 13
FEN state: r1q1kbnr/p1pN2p1/2b1p2p/1p3p2/1n1P4/N4QPP/PPP2P2/R1B1KBR1 w Qkq - 1 13 ; Best move: d4d5
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, white knight at d7 and black pawn at g7. Black bishop at c6, black pawn at e6 and black pawn at h6. Black pawn at b5 and black pawn at f5. Black knight at b4 and white pawn at d4. White knight at a3, white queen at f3, white pawn at g3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at c2 and white pawn at f2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white rook at g1. White queenside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. White to move.