2r2b1r/q2nk3/bp1N1npp/p1p1p1N1/P3p2P/1P1P1QP1/2PK1P2/R1B2BR1 b - - 0 21
FEN state: 2r2b1r/q2nk3/bp1N1npp/p1p1p1N1/P3p2P/1P1P1QP1/2PK1P2/R1B2BR1 b - - 0 21 ; Best move: e4f3
The current state of the chess board is: Black rook at c8, black bishop at f8 and black rook at h8. Black queen at a7, black knight at d7 and black king at e7. Black bishop at a6, black pawn at b6, white knight at d6, black knight at f6, black pawn at g6 and black pawn at h6. Black pawn at a5, black pawn at c5, black pawn at e5 and white knight at g5. White pawn at a4, black pawn at e4 and white pawn at h4. White pawn at b3, white pawn at d3, white queen at f3 and white pawn at g3. White pawn at c2, white king at d2 and white pawn at f2. White rook at a1, white bishop at c1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.