1rb1kb1r/1p1pN2p/4p1n1/p1p3p1/P1Q1P1P1/3P1pq1/1P3P1P/R1BNKB1R w k - 2 23
FEN state: 1rb1kb1r/1p1pN2p/4p1n1/p1p3p1/P1Q1P1P1/3P1pq1/1P3P1P/R1BNKB1R w k - 2 23 ; Best move: e7g6
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at d7, white knight at e7 and black pawn at h7. Black pawn at e6 and black knight at g6. Black pawn at a5, black pawn at c5 and black pawn at g5. White pawn at a4, white queen at c4, white pawn at e4 and white pawn at g4. White pawn at d3, black pawn at f3 and black queen at g3. White pawn at b2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white knight at d1, white king at e1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 2. Full move number is 23. White to move.