rnb2kr1/p3np2/8/1p1pp2p/1NpP2P1/P1P1P1Nq/RP1K2P1/2BQ1B1R w - - 3 18
FEN state: rnb2kr1/p3np2/8/1p1pp2p/1NpP2P1/P1P1P1Nq/RP1K2P1/2BQ1B1R w - - 3 18 ; Best move: g2h3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at f8 and black rook at g8. Black pawn at a7, black knight at e7 and black pawn at f7. Black pawn at b5, black pawn at d5, black pawn at e5 and black pawn at h5. White knight at b4, black pawn at c4, white pawn at d4 and white pawn at g4. White pawn at a3, white pawn at c3, white pawn at e3, white knight at g3 and black queen at h3. White rook at a2, white pawn at b2, white king at d2 and white pawn at g2. White bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 18. White to move.