1rbq1r1k/3p4/1p1b4/p2n2pp/P1p2P2/2NRPBP1/1PPBP2P/2QK3R b - - 1 21
FEN state: 1rbq1r1k/3p4/1p1b4/p2n2pp/P1p2P2/2NRPBP1/1PPBP2P/2QK3R b - - 1 21 ; Best move: c4d3
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black rook at f8 and black king at h8. Black pawn at d7. Black pawn at b6 and black bishop at d6. Black pawn at a5, black knight at d5, black pawn at g5 and black pawn at h5. White pawn at a4, black pawn at c4 and white pawn at f4. White knight at c3, white rook at d3, white pawn at e3, white bishop at f3 and white pawn at g3. White pawn at b2, white pawn at c2, white bishop at d2, white pawn at e2 and white pawn at h2. White queen at c1, white king at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.