MESON Chess Problem Database

Problem Display
PID: 171403 (8/8/3K4/5p2/3k1n2/1Q6/5N2/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Minimat, 1995

8/8/3K4/5p2/3k1n2/1Q6/5N2/8

#2

3 + 3

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Qd3#
    • 1...Sg2
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
    • 1...Sh3
      • 2.Qd3#
    • 1...Sd5
      • 2.Qd3#
    • 1...Sh5
      • 2.Qd3#
    • 1...Se6
      • 2.Qd3#
    • 1...Sg6
      • 2.Qd3#
  • Tries
    • 1.Qc2?
      • threat
        • 2.Qc5#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Se6
        • 2.Qd3#
      • 1...Ke3!
    • 1.Qa3?
      • threat
        • 2.Qc5#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Se6
        • 2.Qd3#
      • 1...Kc4!
    • 1.Qf3?
      • 1...Sd3
        • 2.Qxd3#
      • 1...Se2
        • 2.Qd3#
      • 1...Sg2
        • 2.Qd3#
      • 1...Sh3
        • 2.Qd3#
      • 1...Sd5
        • 2.Qd3#
      • 1...Sh5
        • 2.Qd3#
      • 1...Se6
        • 2.Qd3#
      • 1...Sg6
        • 2.Qd3#
      • 1...Kc4!
    • 1.Qg3?
      • 1...Sd3
        • 2.Qxd3#
      • 1...Se2
        • 2.Qd3#
      • 1...Sg2
        • 2.Qd3#
      • 1...Sh3
        • 2.Qd3#
      • 1...Sd5
        • 2.Qd3#
      • 1...Sh5
        • 2.Qd3#
      • 1...Se6
        • 2.Qd3#
      • 1...Sg6
        • 2.Qd3#
      • 1...Kc4!
  • Keys
    • 1.Sd1!
      • 1...Ke4
        • 2.Qe3#
      • 1...Se2
        • 2.Qd5#
      • 1...Sg2
        • 2.Qd5#
      • 1...Sd3
        • 2.Qd5#
      • 1...Sh3
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sh5
        • 2.Qd5#
      • 1...Se6
        • 2.Qd5#
      • 1...Sg6
        • 2.Qd5#

Anticipated by 137435(1923), 23431(1926), 227679(1926)

This is a version of 171356

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 8
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::QAR1(B)
    • S(b);N_GUARD::QAR1(B),XS(b)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • S(b);N_GUARD::QAR1(B),XS(b)
        • S(b);N_GUARD::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • S(b);N_GUARD::QAR1(B),XS(b)
        • S(b);N_GUARD::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • S(b);N_GUARD::QAR1(B),XS(b)
        • S(b);N_GUARD::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • S(b);N_GUARD::QAR1(B),XS(b)
        • S(b);N_GUARD::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(A);
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
      • S(b);N_GUARD::QAR1(B)
      • S(b);N_GUARD,SBLOCK::QAR1(B)
      • S(b);N_GUARD::QAR1(B),XS(b)
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