Starting position #713
Back-rank setup: RKQBBNNR
SP-713 · RampartGuard — A wing king (b/g) with no knight on the a- or h-file.
Move the pieces right on the board — full Chess960 rules, castle by dropping the king on the rook.
Position features
The king starts on b1, the rooks on a1 and h1, the queen on c1.
From b1 the king makes the longest journey Chess960 allows when castling short: five squares to g1.
The bishops stand on d1 and e1; their long diagonals reach h5 and a5 once the e- and d-pawns step aside.
One second-rank pawn starts with no defender at all: g2.
The setup belongs to the RampartGuard family; read right to left it becomes position 441.
The engine's main line opens with e4, putting a pawn straight into the centre.
Every sentence here is computed from the setup itself and can be checked on the board.
Balance
MBI 51 Morozov Balance Index: 51 of 100 — class B — balanced.
- Engine evaluation of the starting position: +26 centipawns for White (depth 47, 400 000 000 nodes).
- Rank 462 of 960 by balance — 1 is the most balanced start.
- Balance band M — moderate edge · dynamics along the play-out: stable
- Evaluation along the engine's main line (60 half-moves): +33 → +33 → +7
Position facts
- Mirror twin: position #441
- The king starts on b, the rooks on a and h
- King and rook are neighbours — castling from adjacent squares feels unusual
- It becomes the daily position in 709 days
Puzzles from this position
- Attack on the uncastled king: rook to a2 (a1·3) — Chess960 specifics · 780
- Winning blow: king to b2 (b1·5) — Chess960 specifics · 970
- Winning blow: king to b1 (c2·4) — Chess960 specifics · 970
- Attack on the uncastled king: king to b1 (a1) — Chess960 specifics · 1110
- Winning blow: bishop to c2 (a4) — Chess960 specifics · 1110
- Winning blow: bishop to g4 (d1·4) — Chess960 specifics · 1150
- Winning blow: king to a2 (b1·34) — Chess960 specifics · 1390
- Attack on the uncastled king: queen to e5 (e3·4) — Chess960 specifics · 1510
- Attack on the uncastled king: queen to h8 (g7·7) — Chess960 specifics · 1630
- Winning blow: queen to e5 (d6·3) — Chess960 specifics · 1870
This position appears in course day 81
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Commentary
The king begins on b1, and short castling takes him five squares across the board to g1. The bishops stand side by side on d1 and e1, one on each colour. Among the pawns, g2 is the one that begins without a defender. The queen is on c1 beside her king, the knights side by side on f1 and g1. The engine takes the centre with e4 and Black answers in kind: e4 e5 Ne2 Ne6 f4 d6.
Written from the measured facts above and checked against the board before publishing. All 960 positions have one.