MESON Chess Problem Database

Problem Display
PID: 103178 (R7/1pQ3rr/1P4Pk/1K4R1/8/8/7P/2B5 w - - 0 1)

Markovtsy, Vassyl Yuriovich

Szachista, 1999-2002

R7/1pQ3rr/1P4Pk/1K4R1/8/8/7P/2B5

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rg8
      • 2.Qxh7#
  • Tries
    • 1.Qf7?
      • threat
        • 2.Rc5#
        • 2.Rd5#
        • 2.Re5#
        • 2.Rf5#
      • 1...Rxg6
        • 2.Qxg6#
      • 1...Rxf7!
  • Keys
    • 1.Rg8!
      • 1...Rxg6
        • 2.R8xg6#
      • 1...Rxc7
        • 2.Rc5#
      • 1...Rxg8
        • 2.Qxh7#
      • 1...Rd7
        • 2.Rd5#
      • 1...Re7
        • 2.Re5#
      • 1...Rf7
        • 2.Rf5#
      • 1...Rh8
        • 2.Qxg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(c);OGATE::QAR1(G),XR(d)
  • Tries
    • Try
      • Q(G);
      • Threat
        • DUALS(4)
      • Vars
        • R(c);OGATE,XP(F)::QAR1(G),XR(c)
      • Refutation
        • R(c);XQ(G)
  • Actual
    • R(H);
    • Vars
      • R(c);OGATE,XP(F)::R1(H),XR(c)
      • R(c);XQ(G)::B(A)+R(D)
      • R(c);OGATE,XR(H)::QAR1(G),XR(d)
      • R(c);::B(A)+R(D)
      • R(d);N_GUARD::QAB1(G),XR(c)
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