MESON Chess Problem Database

Problem Display
PID: 243275 (1Q6/8/8/1n6/k7/P2K4/2P5/R7 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

ChessStar, 2019

1Q6/8/8/1n6/k7/P2K4/2P5/R7

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.Qb4#
    • 1...Sd4
      • 2.Qb4#
    • 1...Sd6
      • 2.Qb4#
    • 1...Sa7
      • 2.Qb4#
    • 1...Sc7
      • 2.Qb4#
  • Tries
    • 1.Rb1?
      • 1...Ka5
        • 2.Qxb5#
      • 1...Sxa3
        • 2.Qa7#
        • 2.Qb4#
        • 2.Qa8#
      • 1...Sc3
        • 2.Qa7#
        • 2.Qb4#
        • 2.Qa8#
      • 1...Sd4
        • 2.Qa7#
        • 2.Qb4#
        • 2.Qa8#
      • 1...Sd6
        • 2.Qa7#
        • 2.Qb4#
        • 2.Qa8#
      • 1...Sa7
        • 2.Qxa7#
        • 2.Qb4#
      • 1...Sc7
        • 2.Qb4#
      • 1...Kxa3!
    • 1.Qb6?
      • threat
        • 2.Qa6#
      • 1...Sc7
        • 2.Qb4#
      • 1...Sxa3!
    • 1.c3?
      • 1...Kb3
        • 2.Qxb5#
      • 1...Sxa3
        • 2.Qb4#
      • 1...Sxc3
        • 2.Qb4#
      • 1...Sd4
        • 2.Qb4#
      • 1...Sd6
        • 2.Qb4#
      • 1...Sa7
        • 2.Qb4#
      • 1...Sc7
        • 2.Qb4#
      • 1...Ka5!
  • Keys
    • 1.c4!
      • threat
        • 2.Qxb5#
      • 1...Kb3
        • 2.Qxb5#
      • 1...Ka5
        • 2.Qxb5#
      • 1...Sxa3
        • 2.Qb5#
      • 1...Sc3
        • 2.Qb4#
      • 1...Sd4
        • 2.Qb4#
      • 1...Sd6
        • 2.Qb4#
      • 1...Sa7
        • 2.Qb4#
      • 1...Sc7
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE::QAR1(E)
  • Tries
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(E),XS(b)
        • S(b);OGATE::QAR1(E)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
    • Try
      • Q(E);
      • Threat
        • QAR2(E)
      • Vars
        • S(b);OGATE::QAR1(E)
      • Refutation
        • S(b);P_SPINS(b),XP(C)
    • Try
      • P(B);
      • Vars
        • K(a);P_SPINS(b),S_FLIGHT::QAR2(E),XS(b)
        • S(b);OGATE,P_SPINS(b),XP(C)::QAR1(E)
        • S(b);OGATE,XP(B)::QAR1(E)
        • S(b);OGATE::QAR1(E)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(B);
    • Threat
      • QAB1(E),XS(b)
    • Vars
      • K(a);P_SPINS(b),S_FLIGHT::QAR2(E),XS(b)
      • K(a);P-FLIGHT::QAR1(E),XS(b)
      • S(b);P_SPINS(b),XP(C)::QAB1(E)
      • S(b);OGATE::QAR1(E)
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