r3k2r/nb6/3b1npp/Ppqpp1P1/P3PPP1/2pB4/R1PNN2R/3QK3 w kq - 1 23
FEN state: r3k2r/nb6/3b1npp/Ppqpp1P1/P3PPP1/2pB4/R1PNN2R/3QK3 w kq - 1 23 ; Best move: d2b3
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at h8. Black knight at a7 and black bishop at b7. Black bishop at d6, black knight at f6, black pawn at g6 and black pawn at h6. White pawn at a5, black pawn at b5, black queen at c5, black pawn at d5, black pawn at e5 and white pawn at g5. White pawn at a4, white pawn at e4, white pawn at f4 and white pawn at g4. Black pawn at c3 and white bishop at d3. White rook at a2, white pawn at c2, white knight at d2, white knight at e2 and white rook at h2. White queen at d1 and white king at e1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 23. White to move.