rn2kb1r/1pq3pp/p1p1b3/1P1nppB1/3pP2P/3P1B2/P1P2PP1/RN1Q1KNR w kq - 4 12
FEN state: rn2kb1r/1pq3pp/p1p1b3/1P1nppB1/3pP2P/3P1B2/P1P2PP1/RN1Q1KNR w kq - 4 12 ; Best move: e4d5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black queen at c7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at c6 and black bishop at e6. White pawn at b5, black knight at d5, black pawn at e5, black pawn at f5 and white bishop at g5. Black pawn at d4, white pawn at e4 and white pawn at h4. White pawn at d3 and white bishop at f3. White pawn at a2, white pawn at c2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white queen at d1, white king at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 4. Full move number is 12. White to move.