MESON Chess Problem Database

Problem Display
PID: 165312 (8/8/6Q1/4p3/1Ppk4/8/2RK4/8 w - - 0 1)

Abdullayev, Elmar

Sem Shakhmatnikh not, 2017

8/8/6Q1/4p3/1Ppk4/8/2RK4/8

#2

4 + 3

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Qd6#
  • Tries
    • 1.Rc3?
      • 1...e4
        • 2.Qd6#
      • 1...Kd5!
    • 1.Rxc4+?
      • 1...Kd5
        • 2.Qc6#
      • 1...Kxc4!
    • 1.Qc6?
      • threat
        • 2.Rxc4#
        • 2.Qxc4#
      • 1...e4
        • 2.Qc5#
        • 2.Qd6#
      • 1...c3+!
  • Keys
    • 1.Ke2!
      • 1...Kd5
        • 2.Rd2#
      • 1...c3
        • 2.Qd3#
      • 1...e4
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::QAR2(D)
  • Tries
    • Try
      • R(A);
      • Vars
        • P(c);SBLOCK::QAR2(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(A);CHECK,XP(a)
      • Vars
        • K(b);P-FLIGHT::QAB1(D)
      • Refutation
        • K(b);P-FLIGHT,XR(A)
    • Try
      • Q(D);
      • Threat
        • DUALS(2)
      • Refutation
        • P(a);CHECK
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • K(b);P-FLIGHT::R(A)
      • P(a);N_GUARD::QAR1(D)
      • P(c);SBLOCK::QAR2(D)
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