rnb3kr/3p2q1/p1pP2Pn/7p/P7/2N4B/1PPNP2P/1RBQK1R1 b - - 4 23
FEN state: rnb3kr/3p2q1/p1pP2Pn/7p/P7/2N4B/1PPNP2P/1RBQK1R1 b - - 4 23 ; Best move: g7d4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at g8 and black rook at h8. Black pawn at d7 and black queen at g7. Black pawn at a6, black pawn at c6, white pawn at d6, white pawn at g6 and black knight at h6. Black pawn at h5. White pawn at a4. White knight at c3 and white bishop at h3. White pawn at b2, white pawn at c2, white knight at d2, white pawn at e2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 23. Black to move.