rnb1kbr1/1ppp2p1/1Q2pq2/8/pP3P1p/n6P/P2NP1PR/R1BK1BN1 w q - 4 16
FEN state: rnb1kbr1/1ppp2p1/1Q2pq2/8/pP3P1p/n6P/P2NP1PR/R1BK1BN1 w q - 4 16 ; Best move: b6e3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at b7, black pawn at c7, black pawn at d7 and black pawn at g7. White queen at b6, black pawn at e6 and black queen at f6. Black pawn at a4, white pawn at b4, white pawn at f4 and black pawn at h4. Black knight at a3 and white pawn at h3. White pawn at a2, white knight at d2, white pawn at e2, white pawn at g2 and white rook at h2. White rook at a1, white bishop at c1, white king at d1, white bishop at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 4. Full move number is 16. White to move.