rnb3n1/pp1kp1br/q6p/2P3N1/2p5/PQ3P2/1PNBK2P/R4BR1 b - - 4 23
FEN state: rnb3n1/pp1kp1br/q6p/2P3N1/2p5/PQ3P2/1PNBK2P/R4BR1 b - - 4 23 ; Best move: c4b3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black knight at g8. Black pawn at a7, black pawn at b7, black king at d7, black pawn at e7, black bishop at g7 and black rook at h7. Black queen at a6 and black pawn at h6. White pawn at c5 and white knight at g5. Black pawn at c4. White pawn at a3, white queen at b3 and white pawn at f3. White pawn at b2, white knight at c2, white bishop at d2, white king at e2 and white pawn at h2. White rook at a1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 23. Black to move.