MESON Chess Problem Database

Problem Display
PID: 172301 (8/5K2/4Q1P1/6kn/4R3/5P2/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Vecherni Krasnodar, 1996

8/5K2/4Q1P1/6kn/4R3/5P2/8/8

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qh3?
      • 1...Sg3
        • 2.f4#
      • 1...Sf4
        • 2.Re5#
      • 1...Sf6
        • 2.f4#
      • 1...Sg7
        • 2.f4#
      • 1...Kh6!
  • Keys
    • 1.Rh4!
      • 1...Kxh4
        • 2.Qg4#
      • 1...Kh6
        • 2.Qe3#
      • 1...Sg3
        • 2.Qg4#
        • 2.Qf6#
      • 1...Sf4
        • 2.Qg4#
        • 2.Qf6#
      • 1...Sf6
        • 2.Qxf6#
      • 1...Sg7
        • 2.Qg4#
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Vars
        • S(b);N_GUARD::P(A)
        • S(b);SBLOCK::R(B)
      • Refutation
        • K(a);P_SPINS(b),S_FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(a);S_FLIGHT,XR(B)::QAR1(C)
      • K(a);P_SPINS(b),S_FLIGHT::QAB(C)
      • S(b);N_GUARD::QAB1(C),XS(b)
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