r1bqkb1r/1pp3p1/2np4/1P2p2p/p2PP3/P1n2NpP/1BP2P2/RN1QKBR1 w Qkq - 0 13
FEN state: r1bqkb1r/1pp3p1/2np4/1P2p2p/p2PP3/P1n2NpP/1BP2P2/RN1QKBR1 w Qkq - 0 13 ; Best move: b2c3
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 c7 and black pawn at g7. Black knight at c6 and black pawn at d6. White pawn at b5, black pawn at e5 and black pawn at h5. Black pawn at a4, white pawn at d4 and white pawn at e4. White pawn at a3, black knight at c3, white knight at f3, black pawn at g3 and white pawn at h3. White bishop at b2, white pawn at c2 and white pawn at f2. White rook at a1, white knight at b1, white queen at d1, 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 0. Full move number is 13. White to move.