MESON Chess Problem Database

Problem Display
PID: 107994 (2N5/pp3pp1/3R4/7Q/3K4/6k1/5rN1/4B1bB w - - 0 1)

Dobrila, Arsen

Sp. HM., Cacciari MT, 1973-1974

2N5/pp3pp1/3R4/7Q/3K4/6k1/5rN1/4B1bB

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Rg6#
  • Tries
    • 1.Ke4?
      • threat
        • 2.Rd3#
        • 2.Qh4#
      • 1...g5
        • 2.Rd3#
      • 1...f5+!
    • 1.Se7?
      • threat
        • 2.Sf5#
      • 1...f5
        • 2.Sxf5#
        • 2.Rg6#
      • 1...g6!
    • 1.Rf6?
      • threat
        • 2.Rf3#
        • 2.Qh4#
      • 1...g5
        • 2.Rf3#
      • 1...gxf6!
    • 1.Qg4+?
      • 1...Kh2
        • 2.Qh4#
      • 1...Kxg4!
    • 1.Qg5+?
      • 1...Kh2
        • 2.Qh4#
      • 1...Kh3
        • 2.Qh4#
      • 1...Kf3!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Rd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • P(f);N_GUARD::R(F)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • P(g);::R(F)
      • Refutation
        • P(f);CHECK
    • Try
      • S(G);
      • Threat
        • S(G)
      • Refutation
        • P(g);
    • Try
      • R(F);
      • Threat
        • DUALS(2)
      • Vars
        • P(g);::R1(F)
      • Refutation
        • P(g);XR(F)
    • Try
      • Q(E);CHECK
      • Vars
        • K(c);N_SPINR(b),S_FLIGHT::QAR2(E)
      • Refutation
        • K(c);N_SPINR(b),P-FLIGHT,XQ(E)
    • Try
      • Q(E);CHECK
      • Vars
        • K(c);N_SPINR(b),S_FLIGHT::QAR2(E)
        • K(c);N_SPINR(b),P-FLIGHT::QAR1(E)
      • Refutation
        • K(c);N_SPINR(b),P-FLIGHT
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • R(F)
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