1n1qkbr1/rp2Bp2/3pb1pp/P1P1n3/P3p3/R1P2PPP/4PKB1/1N4NR b - - 5 23
FEN state: 1n1qkbr1/rp2Bp2/3pb1pp/P1P1n3/P3p3/R1P2PPP/4PKB1/1N4NR b - - 5 23 ; Best move: e4e3
The current state of the chess board is: Black knight at b8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black rook at a7, black pawn at b7, white bishop at e7 and black pawn at f7. Black pawn at d6, black bishop at e6, black pawn at g6 and black pawn at h6. White pawn at a5, white pawn at c5 and black knight at e5. White pawn at a4 and black pawn at e4. White rook at a3, white pawn at c3, white pawn at f3, white pawn at g3 and white pawn at h3. White pawn at e2, white king at f2 and white bishop at g2. White knight at b1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 23. Black to move.