MESON Chess Problem Database

Problem Display
PID: 105472 (8/P1P1P2P/8/8/8/8/6RK/2k5 w - - 0 1)

Pypa, Volodimir Iosifovich

Kertsensky Rabotsin, 1998

8/P1P1P2P/8/8/8/8/6RK/2k5

#2

6 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.a8Q?
      • threat
        • 2.Qa1#
      • 1...Kd1
        • 2.Qa1#
      • 1...Kb1!
    • 1.a8R?
      • threat
        • 2.Ra1#
      • 1...Kd1
        • 2.Ra1#
      • 1...Kb1!
    • 1.e8Q?
      • threat
        • 2.Qe1#
      • 1...Kb1
        • 2.Qe1#
      • 1...Kd1!
    • 1.e8R?
      • threat
        • 2.Re1#
      • 1...Kb1
        • 2.Re1#
      • 1...Kd1!
  • Keys
    • 1.h8Q!
      • threat
        • 2.Qa1#
      • 1...Kb1
        • 2.Qb2#
      • 1...Kd1
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(C);
      • Threat
        • QAR2(C)
      • Vars
        • K(a);P-FLIGHT::QAR(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(C);
      • Threat
        • R(C)
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(E);
      • Threat
        • QAR2(E)
      • Vars
        • K(a);P-FLIGHT::QAR(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(E);
      • Threat
        • R(E)
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(F);
    • Threat
      • QAR2(F)
    • Vars
      • K(a);P-FLIGHT::QAR1(F)
      • K(a);P-FLIGHT::QAR(F)
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