MESON Chess Problem Database

Problem Display
PID: 165853 (2R4Q/2R5/4k3/4P3/7K/8/6N1/8 w - - 0 1)

Markovtsy, Vassyl Yuriovich

Matrenin, Mikhail Vasilevich

Melnichuk, Aleksandr Nikolaevich

3rd Prize, Wola Gulowska, 2011

2R4Q/2R5/4k3/4P3/7K/8/6N1/8

#2

6 + 1

23 Die Schwalbe 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Rc5?
      • 1...Kd7
        • 2.Qe8#
      • 1...Ke7
        • 2.Qe8#
      • 1...Kf7
        • 2.Qf6#
      • 1...Kf5!
    • 1.Rd7?
      • 1...Kxd7
        • 2.Qe8#
      • 1...Kf5!
    • 1.Re7+?
      • 1...Kf5
        • 2.Qh7#
      • 1...Kxe7
        • 2.Qe8#
      • 1...Kd5!
    • 1.Rf7?
      • 1...Kxf7
        • 2.Qf6#
      • 1...Kd5!
    • 1.Re8+?
      • 1...Kf5
        • 2.Qh7#
      • 1...Kd5!
  • Keys
    • 1.Rc4!
      • 1...Kd5
        • 2.Sf4#
      • 1...Kf5
        • 2.Qf6#
      • 1...Kd7
        • 2.Qe8#
      • 1...Ke7
        • 2.Qe8#
      • 1...Kf7
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
        • K(a);P-FLIGHT::QAR1(F)
        • K(a);S_FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT,XR(D)::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(F)
        • K(a);P-FLIGHT,XR(D)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT,XR(D)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(a);S_FLIGHT::S(A)
      • K(a);S_FLIGHT::QAR1(F)
      • K(a);S_FLIGHT::QAB1(F)
      • K(a);P-FLIGHT::QAR1(F)
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