r1b2bn1/4k1pr/7p/pppp1p2/PP1B2P1/7P/2PPP2R/RNQ1KBN1 w - - 0 20
FEN state: r1b2bn1/4k1pr/7p/pppp1p2/PP1B2P1/7P/2PPP2R/RNQ1KBN1 w - - 0 20 ; Best move: d4c5
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black knight at g8. Black king at e7, black pawn at g7 and black rook at h7. Black pawn at h6. Black pawn at a5, black pawn at b5, black pawn at c5, black pawn at d5 and black pawn at f5. White pawn at a4, white pawn at b4, white bishop at d4 and white pawn at g4. White pawn at h3. White pawn at c2, white pawn at d2, white pawn at e2 and white rook at h2. White rook at a1, white knight at b1, white queen at c1, white king at e1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.