1r2kbnr/1ppbq1pp/p1n2p2/3pp3/P1PP4/4N1PN/1P2PP1P/R1BQKB1R w KQk - 0 10
FEN state: 1r2kbnr/1ppbq1pp/p1n2p2/3pp3/P1PP4/4N1PN/1P2PP1P/R1BQKB1R w KQk - 0 10 ; Best move: e3d5
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black bishop at d7, black queen at e7, black pawn at g7 and black pawn at h7. Black pawn at a6, black knight at c6 and black pawn at f6. Black pawn at d5 and black pawn at e5. White pawn at a4, white pawn at c4 and white pawn at d4. White knight at e3, white pawn at g3 and white knight at h3. White pawn at b2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 0. Full move number is 10. White to move.