MESON Chess Problem Database

Problem Display
PID: 180934 (6B1/KP5q/p3PPP1/N2kn2P/3P3r/B7/b2R2R1/1Q6 w - - 0 1)

Preiswerk, Walther Edouard

Source?, 1906

6B1/KP5q/p3PPP1/N2kn2P/3P3r/B7/b2R2R1/1Q6

#2

13 + 6

16108 Walther Preiswerks Shachprobleme (M. Henneberger) 1949

SOLUTION

  • SOUND
  • Keys
    • 1.Rg5!
      • threat
        • 2.Rxe5#
      • 1...Qxb7+
        • 2.Qxb7#
      • 1...Qxh5
        • 2.e7#
      • 1...Rxd4
        • 2.Qh1#
      • 1...Rxh5
        • 2.dxe5#
      • 1...Qc7
        • 2.e7#
      • 1...Re4
        • 2.Qxa2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(C);P_PINS(d)
    • Threat
      • R1(C),XS(d)
    • Vars
      • Q(f);CHECK,OGATE,XP(L)::QAB(A),XQ(f)
      • Q(f);N_GUARD,N_PINP(L),XP(G)::B(M)+P(H)
      • R(b);N_GUARD,P_SPINR(b),XP(E)::QAB(A)
      • R(b);N_GUARD,XP(G)::R(B)+P(E),XS(d)
      • Q(f);N_GUARD::B(M)+P(H)
      • R(b);SBLOCK::QAB(A),XB(a)
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