r1kq1bnr/2p1pp1p/1p6/p2p1bP1/P2N4/R3nN2/1P1PPPP1/2B1KB1R w K - 4 12
FEN state: r1kq1bnr/2p1pp1p/1p6/p2p1bP1/P2N4/R3nN2/1P1PPPP1/2B1KB1R w K - 4 12 ; Best move: a3e3
The current state of the chess board is: Black rook at a8, black king at c8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at b6. Black pawn at a5, black pawn at d5, black bishop at f5 and white pawn at g5. White pawn at a4 and white knight at d4. White rook at a3, black knight at e3 and white knight at f3. White pawn at b2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at g2. White bishop at c1, 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 12. White to move.