1rbq1b1r/ppppknp1/8/n4p2/1P2pP1p/4P1PN/P1PP3P/RNBQK1RB w - - 2 13
FEN state: 1rbq1b1r/ppppknp1/8/n4p2/1P2pP1p/4P1PN/P1PP3P/RNBQK1RB w - - 2 13 ; Best move: b4a5
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7, black king at e7, black knight at f7 and black pawn at g7. Black knight at a5 and black pawn at f5. White pawn at b4, black pawn at e4, white pawn at f4 and black pawn at h4. White pawn at e3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at c2, white pawn at d2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1, white rook at g1 and white bishop at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 13. White to move.