MESON Chess Problem Database

Problem Display
PID: 245621 (5RQK/6N1/8/4p3/4k3/3rPN2/2Pn2R1/1B1q1n2 w - - 0 1)

Musante, Horacio Luis

Parallele 50, 1950

5RQK/6N1/8/4p3/4k3/3rPN2/2Pn2R1/1B1q1n2

#2

9 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe3
      • 2.Rg4#
    • 1...Sxe3
      • 2.cxd3#
  • Tries
    • 1.Qh7+?
      • 1...Kxe3
        • 2.Qxd3#
      • 1...Kd5!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Sg5#
      • 1...Kxf3
        • 2.Qg4#
      • 1...Qxf3
        • 2.cxd3#
      • 1...Rxe3
        • 2.Sd6#
      • 1...Sxe3
        • 2.Sg3#
      • 1...Sxf3
        • 2.Rg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(d);SBLOCK,XP(D)::R(C)
    • S(b);SBLOCK,XP(D)::P(B),XR(d)
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • K(e);OGATE,P-FLIGHT,XP(D)::QAR1(H),XR(d)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • S(F);
    • Threat
      • S(E)
    • Vars
      • K(e);S_FLIGHT,XS(E)::QAB1(H)
      • Q(a);SBLOCK,XS(E)::P(B),XR(d)
      • R(d);N_GUARD,SBLOCK,XP(D)::S(F)
      • S(b);N_GUARD,SBLOCK,XP(D)::S(F)
      • S(c);SBLOCK,XS(E)::R(C)
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