r1bqkb1r/1p1pp3/n4pp1/p2n2N1/2pP3p/1PK1PBP1/PBP2P1P/RN4QR w kq - 1 13
FEN state: r1bqkb1r/1p1pp3/n4pp1/p2n2N1/2pP3p/1PK1PBP1/PBP2P1P/RN4QR w kq - 1 13 ; Best move: f3d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at d7 and black pawn at e7. Black knight at a6, black pawn at f6 and black pawn at g6. Black pawn at a5, black knight at d5 and white knight at g5. Black pawn at c4, white pawn at d4 and black pawn at h4. White pawn at b3, white king at c3, white pawn at e3, white bishop at f3 and white pawn at g3. White pawn at a2, white bishop at b2, white pawn at c2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white queen at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. White to move.