1rb1qkn1/2p3r1/2n3pp/1p1pp1N1/p3p3/P1bP1P1P/2PQ1NP1/1R2KB1R w K - 0 20
FEN state: 1rb1qkn1/2p3r1/2n3pp/1p1pp1N1/p3p3/P1bP1P1P/2PQ1NP1/1R2KB1R w K - 0 20 ; Best move: d2c3
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at e8, black king at f8 and black knight at g8. Black pawn at c7 and black rook at g7. Black knight at c6, black pawn at g6 and black pawn at h6. Black pawn at b5, black pawn at d5, black pawn at e5 and white knight at g5. Black pawn at a4 and black pawn at e4. White pawn at a3, black bishop at c3, white pawn at d3, white pawn at f3 and white pawn at h3. White pawn at c2, white queen at d2, white knight at f2 and white pawn at g2. White rook at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 20. White to move.