MESON Chess Problem Database

Problem Display
PID: 163657 (5r2/8/5rQ1/5P2/n2PR1p1/1PNkP1R1/4N3/2K5 w - - 0 1)

Bruch, Wieland

stern, 1996

(First published on Wed Jun 5 1996)

5r2/8/5rQ1/5P2/n2PR1p1/1PNkP1R1/4N3/2K5

#2

10 + 5

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Ra6
      • 2.Qxa6#
    • 1...R6f7
      • 2.Qa6#
  • Tries
    • 1.Re6?
      • threat
        • 2.e4#
      • 1...Sxc3
        • 2.Sf4#
      • 1...Rxf5!
    • 1.Re7?
      • threat
        • 2.e4#
      • 1...Sxc3
        • 2.Sf4#
      • 1...Rxf5!
    • 1.Re8?
      • threat
        • 2.e4#
      • 1...Sxc3
        • 2.Sf4#
      • 1...Rxf5!
  • Keys
    • 1.Re5!
      • threat
        • 2.e4#
      • 1...Rxf5
        • 2.Qa6#
      • 1...Sxc3
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(d);OGATE::QAB(J),XR(d)
    • R(d);OGATE::QAB(J)
  • Tries
    • Try
      • R(H);
      • Threat
        • R(F)+P(E)
      • Vars
        • S(b);SBLOCK,XS(D)::S(B)
      • Refutation
        • R(d);P_SPINR(d),XP(I)
    • Try
      • R(H);
      • Threat
        • R(F)+P(E)
      • Vars
        • S(b);SBLOCK,XS(D)::S(B)
      • Refutation
        • R(d);P_SPINR(d),XP(I)
    • Try
      • R(H);
      • Threat
        • R(F)+P(E)
      • Vars
        • S(b);SBLOCK,XS(D)::S(B)
      • Refutation
        • R(d);P_SPINR(d),XP(I)
  • Actual
    • R(H);
    • Threat
      • R(F)+P(E)
    • Vars
      • R(d);OGATE,P_SPINR(d),XP(I)::QAB(J)
      • S(b);SBLOCK,XS(D)::S(B)
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