r1bq3r/2p1pp2/p4k1b/nN1p3p/1P4PP/4P3/P1PPN3/R1BQKB1R w KQ - 0 13
FEN state: r1bq3r/2p1pp2/p4k1b/nN1p3p/1P4PP/4P3/P1PPN3/R1BQKB1R w KQ - 0 13 ; Best move: c1b2
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black rook at h8. Black pawn at c7, black pawn at e7 and black pawn at f7. Black pawn at a6, black king at f6 and black bishop at h6. Black knight at a5, white knight at b5, black pawn at d5 and black pawn at h5. White pawn at b4, white pawn at g4 and white pawn at h4. White pawn at e3. White pawn at a2, white pawn at c2, white pawn at d2 and white knight at e2. White rook at a1, white bishop at c1, 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.