MESON Chess Problem Database

Problem Display
PID: 149886 (2q3R1/6nB/5p1R/4P2b/3P1Q2/B4p2/p1rP1K2/rk6 w - - 0 1)

Buchner, Rudolf

Magasinet, 1934

2q3R1/6nB/5p1R/4P2b/3P1Q2/B4p2/p1rP1K2/rk6

#2

9 + 9

133 The Problemist Supplement 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Qh3
      • 2.Rb8#
    • 1...Qg4
      • 2.Rb8#
    • 1...Qb8
      • 2.Rxb8#
    • 1...Bg4
      • 2.Rh1#
    • 1...Bf7
      • 2.Rh1#
    • 1...Be8
      • 2.Rh1#
    • 1...Se6
      • 2.Rg1#
    • 1...Se8
      • 2.Rg1#
    • 1...fxe5
      • 2.Rb6#
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qe1#
      • 1...Qf5
        • 2.Rb8#
      • 1...Bg6
        • 2.Rh1#
      • 1...Sf5
        • 2.Rg1#
      • 1...f5
        • 2.Rb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 9
  • Sets
    • Q(i);OGATE::R(I)
    • Q(i);OGATE::R(I),XQ(i)
    • B(f);OGATE::R(G)
    • S(h);OGATE::R(I)
    • P(g);OGATE,XP(F)::R(G)
  • Actual
    • Q(E);
    • Threat
      • QAR(E)
    • Vars
      • Q(i);OGATE::R(I)
      • B(f);OGATE::R(G)
      • S(h);OGATE::R(I)
      • P(g);OGATE::R(G)
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