r1b3nr/pnp4p/2k2pN1/3p2qP/1b2P1P1/P7/2pPKP2/1RB2BR1 b - - 2 23
FEN state: r1b3nr/pnp4p/2k2pN1/3p2qP/1b2P1P1/P7/2pPKP2/1RB2BR1 b - - 2 23 ; Best move: c2b1q
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at a7, black knight at b7, black pawn at c7 and black pawn at h7. Black king at c6, black pawn at f6 and white knight at g6. Black pawn at d5, black queen at g5 and white pawn at h5. Black bishop at b4, white pawn at e4 and white pawn at g4. White pawn at a3. Black pawn at c2, white pawn at d2, white king at e2 and white pawn at f2. White rook at b1, white bishop at c1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 23. Black to move.