rn6/p3nppr/bN1k3p/1Pp3P1/3P1b2/P6B/1B2P2P/R2QK1NR w - - 1 23
FEN state: rn6/p3nppr/bN1k3p/1Pp3P1/3P1b2/P6B/1B2P2P/R2QK1NR w - - 1 23 ; Best move: d4c5
The current state of the chess board is: Black rook at a8 and black knight at b8. Black pawn at a7, black knight at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black bishop at a6, white knight at b6, black king at d6 and black pawn at h6. White pawn at b5, black pawn at c5 and white pawn at g5. White pawn at d4 and black bishop at f4. White pawn at a3 and white bishop at h3. White bishop at b2, white pawn at e2 and white pawn at h2. White rook at a1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 23. White to move.