r2qk1r1/pp1nbppn/2ppp1b1/7p/PP2P3/2P3PP/3PKP2/RNB1QBNR w q - 1 12
FEN state: r2qk1r1/pp1nbppn/2ppp1b1/7p/PP2P3/2P3PP/3PKP2/RNB1QBNR w q - 1 12 ; Best move: e2d1
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8 and black rook at g8. Black pawn at a7, black pawn at b7, black knight at d7, black bishop at e7, black pawn at f7, black pawn at g7 and black knight at h7. Black pawn at c6, black pawn at d6, black pawn at e6 and black bishop at g6. Black pawn at h5. White pawn at a4, white pawn at b4 and white pawn at e4. White pawn at c3, white pawn at g3 and white pawn at h3. White pawn at d2, white king at e2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white queen at e1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 12. White to move.