rn1q2r1/pbpk1pb1/P7/3ppP1p/1p2n2p/3K4/1PPPP1P1/1RBQ1BNR w - - 0 20
FEN state: rn1q2r1/pbpk1pb1/P7/3ppP1p/1p2n2p/3K4/1PPPP1P1/1RBQ1BNR w - - 0 20 ; Best move: c2c4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8 and black rook at g8. Black pawn at a7, black bishop at b7, black pawn at c7, black king at d7, black pawn at f7 and black bishop at g7. White pawn at a6. Black pawn at d5, black pawn at e5, white pawn at f5 and black pawn at h5. Black pawn at b4, black knight at e4 and black pawn at h4. White king at d3. White pawn at b2, white pawn at c2, white pawn at d2, white pawn at e2 and white pawn at g2. White rook at b1, white bishop at c1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.