1rbq3r/p2k2pp/3b1p2/1pp1p3/Q4BP1/2NP2nN/PP2P2P/R3KBR1 w - - 3 20
FEN state: 1rbq3r/p2k2pp/3b1p2/1pp1p3/Q4BP1/2NP2nN/PP2P2P/R3KBR1 w - - 3 20 ; Best move: c3b5
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8 and black rook at h8. Black pawn at a7, black king at d7, black pawn at g7 and black pawn at h7. Black bishop at d6 and black pawn at f6. Black pawn at b5, black pawn at c5 and black pawn at e5. White queen at a4, white bishop at f4 and white pawn at g4. White knight at c3, white pawn at d3, black knight at g3 and white knight at h3. White pawn at a2, white pawn at b2, white pawn at e2 and white pawn at h2. White rook at a1, white king at e1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 3. Full move number is 20. White to move.