r1bk2nr/2p1b2p/1p2p1p1/p1q2N2/n1pP1B2/2P2PKP/1P2P1P1/RN3BR1 b - - 0 20
FEN state: r1bk2nr/2p1b2p/1p2p1p1/p1q2N2/n1pP1B2/2P2PKP/1P2P1P1/RN3BR1 b - - 0 20 ; Best move: c5f5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black knight at g8 and black rook at h8. Black pawn at c7, black bishop at e7 and black pawn at h7. Black pawn at b6, black pawn at e6 and black pawn at g6. Black pawn at a5, black queen at c5 and white knight at f5. Black knight at a4, black pawn at c4, white pawn at d4 and white bishop at f4. White pawn at c3, white pawn at f3, white king at g3 and white pawn at h3. White pawn at b2, white pawn at e2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.