MESON Chess Problem Database

Problem Display
PID: 168593 (3B4/6R1/8/8/4Pk2/2K2N2/8/7Q w - - 0 1)

Strebkovs, Andrejs

Best Problems, 2005

3B4/6R1/8/8/4Pk2/2K2N2/8/7Q

#2

6 + 1

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Se1?
      • 1...Ke3
        • 2.Qf3#
      • 1...Ke5!
    • 1.Sg1?
      • 1...Ke3
        • 2.Qf3#
      • 1...Ke5!
    • 1.Sd2?
      • 1...Ke3
        • 2.Qf3#
      • 1...Ke5!
    • 1.Sh2?
      • 1...Ke3
        • 2.Qf3#
      • 1...Ke5!
    • 1.Sd4?
      • 1...Ke3
        • 2.Qf3#
      • 1...Ke5!
    • 1.Sh4?
      • 1...Ke3
        • 2.Qf3#
      • 1...Ke5!
    • 1.Se5?
      • 1...Ke3
        • 2.Qf3#
      • 1...Kxe5!
    • 1.Bg5+?
      • 1...Kg3
        • 2.Be3#
      • 1...Kg4
        • 2.Bc1#
        • 2.Bd2#
        • 2.Be3#
        • 2.Bh6#
      • 1...Kxe4!
  • Keys
    • 1.Sg5!
      • 1...Ke3
        • 2.Qf3#
      • 1...Kg3
        • 2.Sh3#
      • 1...Kg4
        • 2.Se6#
      • 1...Ke5
        • 2.Qh2#

Anticipated by 22199(1972)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(F);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::R(E)+B(F)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::R(E)+S(C)
      • K(a);P-FLIGHT::R(E)+S(C)
      • K(a);S_FLIGHT::QAB(A)
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