2b1kbr1/pr1p1ppp/2n4n/P1p5/1p3B1P/1PQP4/4PPN1/R3KB1R w KQ - 3 21
FEN state: 2b1kbr1/pr1p1ppp/2n4n/P1p5/1p3B1P/1PQP4/4PPN1/R3KB1R w KQ - 3 21 ; Best move: c3c4
The current state of the chess board is: Black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black rook at b7, black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black knight at c6 and black knight at h6. White pawn at a5 and black pawn at c5. Black pawn at b4, white bishop at f4 and white pawn at h4. White pawn at b3, white queen at c3 and white pawn at d3. White pawn at e2, white pawn at f2 and white knight at g2. White rook at a1, 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 3. Full move number is 21. White to move.