MESON Chess Problem Database

Problem Display
PID: 201794 (8/4N3/6Q1/8/2Pk4/4N3/2K5/4R3 w - - 0 1)

Abdullayev, Suleyman

ChessStar, 2018

8/4N3/6Q1/8/2Pk4/4N3/2K5/4R3

#2

6 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.S7f5+?
      • 1...Kc5
        • 2.Qd6#
      • 1...Ke5
        • 2.Sg2#
        • 2.Sd5#
      • 1...Ke4!
    • 1.Sc8?
      • 1...Kc5
        • 2.Qb6#
        • 2.Qd6#
      • 1...Ke5!
    • 1.Rd1+?
      • 1...Kc5
        • 2.Qd6#
      • 1...Ke5
        • 2.Qf5#
      • 1...Kxe3!
    • 1.Rf1?
      • 1...Kxe3
        • 2.Qd3#
      • 1...Ke5
        • 2.Sc6#
      • 1...Kc5!
    • 1.Qg3?
      • 1...Ke4
        • 2.S3f5#
      • 1...Kc5!
    • 1.Qb6+?
      • 1...Ke5
        • 2.Sg2#
        • 2.S3d5#
      • 1...Ke4!
    • 1.Qf6+?
      • 1...Ke4
        • 2.Sd1#
        • 2.Sf1#
        • 2.Sg2#
        • 2.Sg4#
        • 2.S3d5#
      • 1...Kc5!
  • Keys
    • 1.S7d5!
      • 1...Kc5
        • 2.Qb6#
      • 1...Ke5
        • 2.Sf5#

There are these versions: 201799

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(F);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • R(A);
      • Vars
        • K(a);S_FLIGHT,XS(C)::QAR1(E)
        • K(a);S_FLIGHT::S(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::R(A)+S(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(a);S_FLIGHT::QAB1(E)
      • K(a);S_FLIGHT::R(A)+S(C)
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