1r3bnr/1bp2p1p/p1k5/p2p3P/1Q2p1pq/R1P1P1PR/1P1P1P2/1NBK1BN1 b - - 2 17
FEN state: 1r3bnr/1bp2p1p/p1k5/p2p3P/1Q2p1pq/R1P1P1PR/1P1P1P2/1NBK1BN1 b - - 2 17 ; Best move: a5b4
The current state of the chess board is: Black rook at b8, black bishop at f8, black knight at g8 and black rook at h8. Black bishop at b7, black pawn at c7, black pawn at f7 and black pawn at h7. Black pawn at a6 and black king at c6. Black pawn at a5, black pawn at d5 and white pawn at h5. White queen at b4, black pawn at e4, black pawn at g4 and black queen at h4. White rook at a3, white pawn at c3, white pawn at e3, white pawn at g3 and white rook at h3. White pawn at b2, white pawn at d2 and white pawn at f2. White knight at b1, white bishop at c1, white king at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 17. Black to move.