1rb1qbnr/pp1ppk2/6pp/2pn1P2/3P1P1P/NQP5/PP2P2R/1RB1KBN1 w - - 5 15
FEN state: 1rb1qbnr/pp1ppk2/6pp/2pn1P2/3P1P1P/NQP5/PP2P2R/1RB1KBN1 w - - 5 15 ; Best move: b3d5
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at e7 and black king at f7. Black pawn at g6 and black pawn at h6. Black pawn at c5, black knight at d5 and white pawn at f5. White pawn at d4, white pawn at f4 and white pawn at h4. White knight at a3, white queen at b3 and white pawn at c3. White pawn at a2, white pawn at b2, white pawn at e2 and white rook at h2. White rook at b1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 5. Full move number is 15. White to move.