1nb1k1r1/r1p2p1p/p1p3p1/1p2p3/Pb2P2n/2PQ1PP1/1PBN3P/4RKNR w - - 2 20
FEN state: 1nb1k1r1/r1p2p1p/p1p3p1/1p2p3/Pb2P2n/2PQ1PP1/1PBN3P/4RKNR w - - 2 20 ; Best move: c3b4
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8 and black rook at g8. Black rook at a7, black pawn at c7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at c6 and black pawn at g6. Black pawn at b5 and black pawn at e5. White pawn at a4, black bishop at b4, white pawn at e4 and black knight at h4. White pawn at c3, white queen at d3, white pawn at f3 and white pawn at g3. White pawn at b2, white bishop at c2, white knight at d2 and white pawn at h2. White rook at e1, white king at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.