r1q1kb1r/nb1pp1p1/pp3n1p/2p3N1/P2P2PP/R1P1pP1B/1P6/1NBQK1R1 w - - 0 15
FEN state: r1q1kb1r/nb1pp1p1/pp3n1p/2p3N1/P2P2PP/R1P1pP1B/1P6/1NBQK1R1 w - - 0 15 ; Best move: g5e4
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8, black bishop at f8 and black rook at h8. Black knight at a7, black bishop at b7, black pawn at d7, black pawn at e7 and black pawn at g7. Black pawn at a6, black pawn at b6, black knight at f6 and black pawn at h6. Black pawn at c5 and white knight at g5. White pawn at a4, white pawn at d4, white pawn at g4 and white pawn at h4. White rook at a3, white pawn at c3, black pawn at e3, white pawn at f3 and white bishop at h3. White pawn at b2. White knight at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 15. White to move.