MESON Chess Problem Database

Problem Display
PID: 160088 (8/8/8/5K2/8/3n4/4Q2p/4n1kB w - - 0 1)

Antipov, Viacheslav Pavlovich

Sa ogneupory, 1987

8/8/8/5K2/8/3n4/4Q2p/4n1kB

#2

3 + 4

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh1
      • 2.Qf1#
    • 1...Sc2
      • 2.Qg2#
    • 1...Sg2
      • 2.Qxg2#
    • 1...Sf3
      • 2.Qg2#
    • 1...Sc1
      • 2.Qxe1#
    • 1...Sb2
      • 2.Qxe1#
    • 1...Sf2
      • 2.Qxe1#
    • 1...Sb4
      • 2.Qxe1#
    • 1...Sf4
      • 2.Qxe1#
    • 1...Sc5
      • 2.Qxe1#
    • 1...Se5
      • 2.Qxe1#
  • Tries
    • 1.Kg5?
      • 1...Kxh1
        • 2.Qf1#
      • 1...Sc2
        • 2.Qg2#
      • 1...Sg2
        • 2.Qxg2#
      • 1...Sc1
        • 2.Qxe1#
      • 1...Sb2
        • 2.Qxe1#
      • 1...Sf2
        • 2.Qxe1#
      • 1...Sb4
        • 2.Qxe1#
      • 1...Sf4
        • 2.Qxe1#
      • 1...Sc5
        • 2.Qxe1#
      • 1...Se5
        • 2.Qxe1#
      • 1...Sf3+!
  • Keys
    • 1.Kf6!
      • 1...Kxh1
        • 2.Qf1#
      • 1...Sc2
        • 2.Qg2#
      • 1...Sg2
        • 2.Qxg2#
      • 1...Sf3
        • 2.Qg2#
      • 1...Sc1
        • 2.Qxe1#
      • 1...Sb2
        • 2.Qxe1#
      • 1...Sf2
        • 2.Qxe1#
      • 1...Sb4
        • 2.Qxe1#
      • 1...Sf4
        • 2.Qxe1#
      • 1...Sc5
        • 2.Qxe1#
      • 1...Se5
        • 2.Qxe1#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT,XB(A)::QAR2(B)
    • S(a);N_GUARD::QAR1(B)
    • S(a);N_GUARD::QAR1(B),XS(a)
    • S(d);N_GUARD::QAR2(B),XS(a)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT,XB(A)::QAR2(B)
        • S(a);N_GUARD::QAR1(B)
        • S(a);N_GUARD::QAR1(B),XS(a)
        • S(d);N_GUARD::QAR2(B),XS(a)
      • Refutation
        • S(a);CHECK
  • Actual
    • K(C);P-FLIGHT
    • Vars
      • K(b);P-FLIGHT,XB(A)::QAR2(B)
      • S(a);N_GUARD::QAR1(B)
      • S(a);N_GUARD::QAR1(B),XS(a)
      • S(d);N_GUARD::QAR2(B),XS(a)
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