rnb1k2r/1pp2p2/7p/p3p1p1/Q1Pp2nP/b2P3R/1P1KPPP1/RNB2BN1 b - - 5 16
FEN state: rnb1k2r/1pp2p2/7p/p3p1p1/Q1Pp2nP/b2P3R/1P1KPPP1/RNB2BN1 b - - 5 16 ; Best move: b7b5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at b7, black pawn at c7 and black pawn at f7. Black pawn at h6. Black pawn at a5, black pawn at e5 and black pawn at g5. White queen at a4, white pawn at c4, black pawn at d4, black knight at g4 and white pawn at h4. Black bishop at a3, white pawn at d3 and white rook at h3. White pawn at b2, white king at d2, white pawn at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 5. Full move number is 16. Black to move.