1nb1k1n1/5r2/2q1pp1b/1ppp2p1/p1PPP1P1/Q4N2/PP1NKP1P/2R4R w - - 2 20
FEN state: 1nb1k1n1/5r2/2q1pp1b/1ppp2p1/p1PPP1P1/Q4N2/PP1NKP1P/2R4R w - - 2 20 ; Best move: c4d5
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8 and black knight at g8. Black rook at f7. Black queen at c6, black pawn at e6, black pawn at f6 and black bishop at h6. Black pawn at b5, black pawn at c5, black pawn at d5 and black pawn at g5. Black pawn at a4, white pawn at c4, white pawn at d4, white pawn at e4 and white pawn at g4. White queen at a3 and white knight at f3. White pawn at a2, white pawn at b2, white knight at d2, white king at e2, white pawn at f2 and white pawn at h2. White rook at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.