MESON Chess Problem Database

Problem Display
PID: 220711 (8/8/6Q1/2p5/R2b4/6Pk/8/5K2 w - - 0 1)

Abdullayev, Suleyman

SuperProblem, 2018

8/8/6Q1/2p5/R2b4/6Pk/8/5K2

#2

4 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Rh4#
    • 1...Bg1
      • 2.Rh4#
    • 1...Bb2
      • 2.Rh4#
    • 1...Bf2
      • 2.Rh4#
    • 1...Bc3
      • 2.Rh4#
    • 1...Be3
      • 2.Rh4#
    • 1...Be5
      • 2.Rh4#
    • 1...Bg7
      • 2.Rh4#
    • 1...Bh8
      • 2.Rh4#
  • Tries
    • 1.Rxd4?
      • threat
        • 2.Rh4#
      • 1...Kh2
        • 2.Rh4#
      • 1...cxd4!
    • 1.Qe4?
      • threat
        • 2.Qh4#
      • 1...Kh2
        • 2.Qg2#
        • 2.Qh4#
      • 1...Bf6
        • 2.Qg2#
      • 1...Kxg3!
    • 1.Qg4+?
      • 1...Kh2
        • 2.Qh4#
      • 1...Kxg4!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qh4#
      • 1...Kh2
        • 2.Qh4#
      • 1...Bf6
        • 2.Rh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • B(b);OGATE::R1(C)
  • Tries
    • Try
      • R(C);XB(b)
      • Threat
        • R1(C)
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • P(c);XR(C)
    • Try
      • Q(D);
      • Threat
        • QAR1(D)
      • Vars
        • B(b);::QAB1(D)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR2(D)
      • Refutation
        • K(a);P_SPINB(b),S_FLIGHT,XQ(D)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D)
    • Vars
      • K(a);P-FLIGHT::QAR2(D)
      • B(b);OGATE::R1(C)
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