r3kbnr/2qnp1pp/p3b3/1pPp1p2/P1P2P1P/1P2B2R/4PKP1/RN1Q1BN1 w kq - 1 15
FEN state: r3kbnr/2qnp1pp/p3b3/1pPp1p2/P1P2P1P/1P2B2R/4PKP1/RN1Q1BN1 w kq - 1 15 ; Best move: c4d5
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black queen at c7, black knight at d7, black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at a6 and black bishop at e6. Black pawn at b5, white pawn at c5, black pawn at d5 and black pawn at f5. White pawn at a4, white pawn at c4, white pawn at f4 and white pawn at h4. White pawn at b3, white bishop at e3 and white rook at h3. White pawn at e2, white king at f2 and white pawn at g2. White rook at a1, white knight at b1, white queen at d1, white bishop at f1 and white knight at g1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 15. White to move.