r1b1k1nr/pp2b2p/q4pN1/P2p4/3pP3/NPp2PP1/5K1P/R1BQnB1R w kq - 0 18
FEN state: r1b1k1nr/pp2b2p/q4pN1/P2p4/3pP3/NPp2PP1/5K1P/R1BQnB1R w kq - 0 18 ; Best move: g6e7
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black bishop at e7 and black pawn at h7. Black queen at a6, black pawn at f6 and white knight at g6. White pawn at a5 and black pawn at d5. Black pawn at d4 and white pawn at e4. White knight at a3, white pawn at b3, black pawn at c3, white pawn at f3 and white pawn at g3. White king at f2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, black knight at e1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 18. White to move.