MESON Chess Problem Database

Problem Display
PID: 160717 (2B1Q2K/6pb/7k/8/7P/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1996

2B1Q2K/6pb/7k/8/7P/8/8/8

#2

4 + 3

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qe3+?
      • 1...Kh5
        • 2.Qg5#
      • 1...g5
        • 2.Qxg5#
      • 1...Kg6!
    • 1.Qe7?
      • threat
        • 2.Qg5#
      • 1...Kh5
        • 2.Qg5#
      • 1...g5
        • 2.Qxg5#
        • 2.Qxh7#
      • 1...Kg6!
    • 1.Qd8?
      • threat
        • 2.Qg5#
      • 1...Kh5
        • 2.Qg5#
      • 1...g5
        • 2.Qxg5#
      • 1...Kg6!
  • Keys
    • 1.Bg4!
      • threat
        • 2.Qh5#
      • 1...Bg6
        • 2.Qe3#
      • 1...g6
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
        • P(b);P_SPINP(b)::QAB1(C),XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
        • P(b);::QAB1(C),XP(b)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(B);
    • Threat
      • QAR1(C)
    • Vars
      • B(c);SBLOCK,S_CUTP(b)::QAB(C)
      • P(b);OGATEB,SBLOCK::QAB(C)
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