MESON Chess Problem Database

Problem Display
PID: 15166 (8/8/8/8/8/k1K3Q1/2P1p3/3bR3 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Vahidov, Medzhnun

Student, 1980

8/8/8/8/8/k1K3Q1/2P1p3/3bR3

#2

4 + 3

5454 Near Snap 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc2
      • 2.Ra1#
  • Tries
    • 1.Qf4?
      • 1...Bxc2
        • 2.Ra1#
      • 1...Ka2!
    • 1.Qh4?
      • 1...Bxc2
        • 2.Ra1#
      • 1...Ka2!
    • 1.Qd6+?
      • 1...Ka4
        • 2.Qb4#
        • 2.Qa6#
      • 1...Ka2!
    • 1.Qd3?
      • threat
        • 2.Qa6#
      • 1...Ka4
        • 2.Qa6#
      • 1...Bxc2
        • 2.Ra1#
      • 1...Ka2!
    • 1.Qg4?
      • 1...Bxc2
        • 2.Ra1#
      • 1...Ka2!
    • 1.Qg6?
      • threat
        • 2.Qa6#
      • 1...Ka4
        • 2.Qa6#
      • 1...Bxc2
        • 2.Ra1#
      • 1...Ka2!
    • 1.Qg8?
      • threat
        • 2.Qb3#
        • 2.Qa8#
      • 1...Bxc2
        • 2.Ra1#
      • 1...Ka4!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qa7#
        • 2.Qb3#
        • 2.Qa8#
      • 1...Ka2
        • 2.Qb2#
      • 1...Ka4
        • 2.Qb4#
      • 1...Bxc2
        • 2.Ra1#

Anticipated by 9307(1871)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE,XP(B)::R(A)
  • Tries
    • Try
      • Q(D);
      • Vars
        • B(a);OGATE,XP(B)::R(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • B(a);OGATE,XP(B)::R(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(D);
      • Threat
        • QAR(D)
      • Vars
        • K(c);P-FLIGHT::QAR2(D)
        • B(a);OGATE,XP(B)::R(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • B(a);OGATE,XP(B)::R(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(D);
      • Threat
        • QAR(D)
      • Vars
        • K(c);P-FLIGHT::QAR2(D)
        • B(a);OGATE,XP(B)::R(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(D);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);OGATE,XP(B)::R(A)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • Q(D);
    • Threat
      • DUALS(3)
    • Vars
      • K(c);P-FLIGHT::QAR1(D)
      • B(a);OGATE,XP(B)::R(A)
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