rn1q2nr/3pkp2/bpp3p1/p1b1P2p/3NP3/1P6/P2PN1PP/R1BQ1KR1 b - - 0 23
FEN state: rn1q2nr/3pkp2/bpp3p1/p1b1P2p/3NP3/1P6/P2PN1PP/R1BQ1KR1 b - - 0 23 ; Best move: c5d4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black knight at g8 and black rook at h8. Black pawn at d7, black king at e7 and black pawn at f7. Black bishop at a6, black pawn at b6, black pawn at c6 and black pawn at g6. Black pawn at a5, black bishop at c5, white pawn at e5 and black pawn at h5. White knight at d4 and white pawn at e4. White pawn at b3. White pawn at a2, white pawn at d2, white knight at e2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. Black to move.