r1b1qbr1/1pk1p2p/2p2n1n/p2pPpp1/2P5/2NP3N/PPQ1KPPP/R1B2B1R w - - 0 17
FEN state: r1b1qbr1/1pk1p2p/2p2n1n/p2pPpp1/2P5/2NP3N/PPQ1KPPP/R1B2B1R w - - 0 17 ; Best move: c4d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at e8, black bishop at f8 and black rook at g8. Black pawn at b7, black king at c7, black pawn at e7 and black pawn at h7. Black pawn at c6, black knight at f6 and black knight at h6. Black pawn at a5, black pawn at d5, white pawn at e5, black pawn at f5 and black pawn at g5. White pawn at c4. White knight at c3, white pawn at d3 and white knight at h3. White pawn at a2, white pawn at b2, white queen at c2, white king at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 17. White to move.