r3kb1r/p1p1p1p1/b4n2/1pnp1p2/3P1BP1/1P2qP2/P1PKP2P/RN1Q1BNR w kq - 1 13
FEN state: r3kb1r/p1p1p1p1/b4n2/1pnp1p2/3P1BP1/1P2qP2/P1PKP2P/RN1Q1BNR w kq - 1 13 ; Best move: f4e3
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7 and black pawn at g7. Black bishop at a6 and black knight at f6. Black pawn at b5, black knight at c5, black pawn at d5 and black pawn at f5. White pawn at d4, white bishop at f4 and white pawn at g4. White pawn at b3, black queen at e3 and white pawn at f3. White pawn at a2, white pawn at c2, white king at d2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. White to move.