r1k4r/p1pbp1bp/1p2N1pn/5pP1/P1n1P3/3P3N/RPP2P1P/2BQ1RK1 w - - 2 18
FEN state: r1k4r/p1pbp1bp/1p2N1pn/5pP1/P1n1P3/3P3N/RPP2P1P/2BQ1RK1 w - - 2 18 ; Best move: e6g7
The current state of the chess board is: Black rook at a8, black king at c8 and black rook at h8. Black pawn at a7, black pawn at c7, black bishop at d7, black pawn at e7, black bishop at g7 and black pawn at h7. Black pawn at b6, white knight at e6, black pawn at g6 and black knight at h6. Black pawn at f5 and white pawn at g5. White pawn at a4, black knight at c4 and white pawn at e4. White pawn at d3 and white knight at h3. White rook at a2, white pawn at b2, white pawn at c2, white pawn at f2 and white pawn at h2. White bishop at c1, white queen at d1, white rook at f1 and white king at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. White to move.