MESON Chess Problem Database

Problem Display
PID: 158413 (8/3Q4/2B5/2pP4/3kp3/8/2K4B/6N1 w - - 0 1)

Amirov, Talip Khasanovich

Smena, 1960

8/3Q4/2B5/2pP4/3kp3/8/2K4B/6N1

#2

6 + 3

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Qg4#
    • 1...c4
      • 2.Qa7#
  • Tries
    • 1.Ba8?
      • 1...Kc4
        • 2.Qa4#
      • 1...e3
        • 2.Qg4#
      • 1...c4
        • 2.Qa7#
      • 1...Ke3!
    • 1.Qh3?
      • threat
        • 2.Qc3#
      • 1...Kc4
        • 2.Qc3#
      • 1...e3
        • 2.Qg4#
        • 2.Qh4#
      • 1...c4!
    • 1.Qa7?
      • 1...Ke3
        • 2.Qxc5#
      • 1...Kc4
        • 2.Qa4#
      • 1...e3!
    • 1.Qg7+?
      • 1...Kc4
        • 2.Qc3#
      • 1...Ke3!
    • 1.Qh7?
      • 1...Kc4
        • 2.Qxe4#
      • 1...c4
        • 2.Qa7#
      • 1...e3
        • 2.Qd3#
        • 2.Qh4#
      • 1...Ke3!
  • Keys
    • 1.Qe7!
      • 1...Ke3
        • 2.Qxc5#
      • 1...Kc4
        • 2.Qxe4#
      • 1...c4
        • 2.Qa7#
      • 1...e3
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB,SBLOCK::QAR(F)
    • P(c);OGATEB,SBLOCK::QAB(F)
  • Tries
    • Try
      • B(E);
      • Vars
        • K(a);P-FLIGHT::QAR2(F)
        • P(b);OGATEB,SBLOCK::QAR(F)
        • P(c);OGATEB,SBLOCK::QAB(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • P(c);
    • Try
      • Q(F);P_PINP(c)
      • Vars
        • K(a);S_FLIGHT::QAB(F),XP(c)
        • K(a);N_SPINP(c),P-FLIGHT::QAR2(F)
      • Refutation
        • P(b);
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::QAR2(F),XP(b)
        • P(c);OGATEB,SBLOCK::QAB(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(a);P_SPINP(b),S_FLIGHT::QAB(F),XP(c)
      • K(a);P-FLIGHT::QAR2(F),XP(b)
      • P(c);OGATEB,SBLOCK::QAB(F)
      • P(b);OGATEB,SBLOCK::QAR(F)
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