4kbr1/3rp1pp/1p5n/pPpp1P2/P1B1p3/1Qq3Nb/1P1P1KPR/RNB5 b - - 2 21
FEN state: 4kbr1/3rp1pp/1p5n/pPpp1P2/P1B1p3/1Qq3Nb/1P1P1KPR/RNB5 b - - 2 21 ; Best move: c3d4
The current state of the chess board is: Black king at e8, black bishop at f8 and black rook at g8. Black rook at d7, black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at b6 and black knight at h6. Black pawn at a5, white pawn at b5, black pawn at c5, black pawn at d5 and white pawn at f5. White pawn at a4, white bishop at c4 and black pawn at e4. White queen at b3, black queen at c3, white knight at g3 and black bishop at h3. White pawn at b2, white pawn at d2, white king at f2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1 and white bishop at c1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. Black to move.