1rb2r2/pppq1p1n/4pkpp/3pn3/P2PP1P1/2P2P1P/1b1KB2R/R1BQ1NN1 b - - 2 18
FEN state: 1rb2r2/pppq1p1n/4pkpp/3pn3/P2PP1P1/2P2P1P/1b1KB2R/R1BQ1NN1 b - - 2 18 ; Best move: b2a1
The current state of the chess board is: Black rook at b8, black bishop at c8 and black rook at f8. Black pawn at a7, black pawn at b7, black pawn at c7, black queen at d7, black pawn at f7 and black knight at h7. Black pawn at e6, black king at f6, black pawn at g6 and black pawn at h6. Black pawn at d5 and black knight at e5. White pawn at a4, white pawn at d4, white pawn at e4 and white pawn at g4. White pawn at c3, white pawn at f3 and white pawn at h3. Black bishop at b2, white king at d2, white bishop at e2 and white rook at h2. White rook at a1, white bishop at c1, white queen at d1, white knight at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. Black to move.