rnb1k2r/pp1pb1p1/4p2p/2pP3n/5pPB/2NBP3/PPP2P1P/R1Q1K1NR w KQkq - 4 13
FEN state: rnb1k2r/pp1pb1p1/4p2p/2pP3n/5pPB/2NBP3/PPP2P1P/R1Q1K1NR w KQkq - 4 13 ; Best move: d3g6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7, black bishop at e7 and black pawn at g7. Black pawn at e6 and black pawn at h6. Black pawn at c5, white pawn at d5 and black knight at h5. Black pawn at f4, white pawn at g4 and white bishop at h4. White knight at c3, white bishop at d3 and white pawn at e3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at f2 and white pawn at h2. White rook at a1, white queen at c1, white king at e1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 4. Full move number is 13. White to move.