4r3/rpp1ppkp/2nq1npb/pN3bQ1/3p1PPP/3P2B1/PPP1P3/1R2KBNR w - - 0 15
FEN state: 4r3/rpp1ppkp/2nq1npb/pN3bQ1/3p1PPP/3P2B1/PPP1P3/1R2KBNR w - - 0 15 ; Best move: b5d6
The current state of the chess board is: Black rook at e8. Black rook at a7, black pawn at b7, black pawn at c7, black pawn at e7, black pawn at f7, black king at g7 and black pawn at h7. Black knight at c6, black queen at d6, black knight at f6, black pawn at g6 and black bishop at h6. Black pawn at a5, white knight at b5, black bishop at f5 and white queen at g5. Black pawn at d4, white pawn at f4, white pawn at g4 and white pawn at h4. White pawn at d3 and white bishop at g3. White pawn at a2, white pawn at b2, white pawn at c2 and white pawn at e2. White rook at b1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 15. White to move.