r1bqkbr1/2pnp2p/1p1p4/5p2/pP3PPp/2N5/PBPPP1P1/R2QKBR1 w q - 0 12
FEN state: r1bqkbr1/2pnp2p/1p1p4/5p2/pP3PPp/2N5/PBPPP1P1/R2QKBR1 w q - 0 12 ; Best move: g4g5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at c7, black knight at d7, black pawn at e7 and black pawn at h7. Black pawn at b6 and black pawn at d6. Black pawn at f5. Black pawn at a4, white pawn at b4, white pawn at f4, white pawn at g4 and black pawn at h4. White knight at c3. White pawn at a2, white bishop at b2, white pawn at c2, white pawn at d2, white pawn at e2 and white pawn at g2. White rook at a1, white queen at d1, white king at e1, white bishop at f1 and white rook at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 12. White to move.