1nb2bn1/p1N1pk2/1p5r/2pp1p2/4P1Pp/q1P5/RP1PN2P/2BQKB1R w K - 4 19
FEN state: 1nb2bn1/p1N1pk2/1p5r/2pp1p2/4P1Pp/q1P5/RP1PN2P/2BQKB1R w K - 4 19 ; Best move: a2a3
The current state of the chess board is: Black knight at b8, black bishop at c8, black bishop at f8 and black knight at g8. Black pawn at a7, white knight at c7, black pawn at e7 and black king at f7. Black pawn at b6 and black rook at h6. Black pawn at c5, black pawn at d5 and black pawn at f5. White pawn at e4, white pawn at g4 and black pawn at h4. Black queen at a3 and white pawn at c3. White rook at a2, white pawn at b2, white pawn at d2, white knight at e2 and white pawn at h2. White bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 4. Full move number is 19. White to move.