r2qkbnr/p4p1p/nppp4/4P1p1/b5PP/PP1P4/3QP3/RNB1KBNR w KQkq - 0 13
FEN state: r2qkbnr/p4p1p/nppp4/4P1p1/b5PP/PP1P4/3QP3/RNB1KBNR w KQkq - 0 13 ; Best move: b3a4
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at f7 and black pawn at h7. Black knight at a6, black pawn at b6, black pawn at c6 and black pawn at d6. White pawn at e5 and black pawn at g5. Black bishop at a4, white pawn at g4 and white pawn at h4. White pawn at a3, white pawn at b3 and white pawn at d3. White queen at d2 and white pawn at e2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. White to move.