rn1qr3/1bppn3/p1P2B2/3k2Pp/pP2ppR1/3BP2N/2NP1PP1/1R1QK3 w - - 2 20
FEN state: rn1qr3/1bppn3/p1P2B2/3k2Pp/pP2ppR1/3BP2N/2NP1PP1/1R1QK3 w - - 2 20 ; Best move: c6b7
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8 and black rook at e8. Black bishop at b7, black pawn at c7, black pawn at d7 and black knight at e7. Black pawn at a6, white pawn at c6 and white bishop at f6. Black king at d5, white pawn at g5 and black pawn at h5. Black pawn at a4, white pawn at b4, black pawn at e4, black pawn at f4 and white rook at g4. White bishop at d3, white pawn at e3 and white knight at h3. White knight at c2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at b1, white queen at d1 and white king at e1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.