1r1n2nr/1b1pp1b1/1p1k1ppp/2p3P1/p1P5/3NKP1B/PPQPP2P/RNBR4 b - - 3 20
FEN state: 1r1n2nr/1b1pp1b1/1p1k1ppp/2p3P1/p1P5/3NKP1B/PPQPP2P/RNBR4 b - - 3 20 ; Best move: f6f5
The current state of the chess board is: Black rook at b8, black knight at d8, black knight at g8 and black rook at h8. Black bishop at b7, black pawn at d7, black pawn at e7 and black bishop at g7. Black pawn at b6, black king at d6, black pawn at f6, black pawn at g6 and black pawn at h6. Black pawn at c5 and white pawn at g5. Black pawn at a4 and white pawn at c4. White knight at d3, white king at e3, white pawn at f3 and white bishop at h3. White pawn at a2, white pawn at b2, white queen at c2, white pawn at d2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1 and white rook at d1. Both players have exhausted their castles. Half move number is 3. Full move number is 20. Black to move.