rnb1kb1B/p2pq2n/4p3/1p5p/PPP3pP/N2Q1P1R/1R1KP3/5BN1 b - - 0 20
FEN state: rnb1kb1B/p2pq2n/4p3/1p5p/PPP3pP/N2Q1P1R/1R1KP3/5BN1 b - - 0 20 ; Best move: g4h3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and white bishop at h8. Black pawn at a7, black pawn at d7, black queen at e7 and black knight at h7. Black pawn at e6. Black pawn at b5 and black pawn at h5. White pawn at a4, white pawn at b4, white pawn at c4, black pawn at g4 and white pawn at h4. White knight at a3, white queen at d3, white pawn at f3 and white rook at h3. White rook at b2, white king at d2 and white pawn at e2. White bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.