rn4r1/1pq1kb2/3p3b/p1p2p1n/7p/P1PP1PPN/4P2P/RNBK1BR1 b - - 0 20
FEN state: rn4r1/1pq1kb2/3p3b/p1p2p1n/7p/P1PP1PPN/4P2P/RNBK1BR1 b - - 0 20 ; Best move: f7b3
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at g8. Black pawn at b7, black queen at c7, black king at e7 and black bishop at f7. Black pawn at d6 and black bishop at h6. Black pawn at a5, black pawn at c5, black pawn at f5 and black knight at h5. Black pawn at h4. White pawn at a3, white pawn at c3, white pawn at d3, white pawn at f3, white pawn at g3 and white knight at h3. White pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, 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.