r1b4r/pp2k3/2p1pq2/2n1Ppnp/1QPp3P/1P3P1B/P2P4/RNB2RK1 b - - 2 21
FEN state: r1b4r/pp2k3/2p1pq2/2n1Ppnp/1QPp3P/1P3P1B/P2P4/RNB2RK1 b - - 2 21 ; Best move: g5h3
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at h8. Black pawn at a7, black pawn at b7 and black king at e7. Black pawn at c6, black pawn at e6 and black queen at f6. Black knight at c5, white pawn at e5, black pawn at f5, black knight at g5 and black pawn at h5. White queen at b4, white pawn at c4, black pawn at d4 and white pawn at h4. White pawn at b3, white pawn at f3 and white bishop at h3. White pawn at a2 and white pawn at d2. White rook at a1, white knight at b1, white bishop at c1, white rook at f1 and white king at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. Black to move.