MESON Chess Problem Database

Problem Display
PID: 246072 (8/1B6/8/1QK5/1B6/7R/5kp1/8 w - - 0 1)

Zinoviev, Nikolai

Shakhmatna misl, 1989

8/1B6/8/1QK5/1B6/7R/5kp1/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bxg2?
      • threat
        • 2.Qf1#
      • 1...Kg1
        • 2.Qf1#
      • 1...Kxg2!
    • 1.Ba6?
      • 1...g1Q
        • 2.Qe2#
      • 1...g1S
        • 2.Qf1#
      • 1...g1B
        • 2.Qf1#
        • 2.Qe2#
      • 1...g1R
        • 2.Qe2#
      • 1...Kg1!
    • 1.Qe2+?
      • 1...Kg1
        • 2.Qe1#
        • 2.Qxg2#
      • 1...Kxe2!
    • 1.Qd3?
      • 1...g1Q
        • 2.Qf3#
      • 1...g1S
        • 2.Rh2#
      • 1...g1B
        • 2.Qf3#
      • 1...g1R
        • 2.Qf3#
      • 1...Kg1!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qxg2#
      • 1...Kf1
        • 2.Qxg2#
      • 1...Kg1
        • 2.Qxg2#
      • 1...Ke2
        • 2.Qf3#
      • 1...g1Q
        • 2.Qf3#
      • 1...g1S
        • 2.Qg2#
      • 1...g1B
        • 2.Qg2#
        • 2.Qf3#
      • 1...g1R
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);XP(b)
      • Threat
        • QAR1(C)
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
    • Try
      • B(E);
      • Vars
        • P(b);SBLOCK::QAR1(C)
        • P(b);N_GUARD::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
    • Try
      • Q(C);
      • Vars
        • P(b);SBLOCK::QAR1(C)
        • P(b);OGATEB,SBLOCK::R(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(C);
    • Threat
      • QAR1(C),XP(b)
    • Vars
      • K(a);P-FLIGHT::QAB1(C),XP(b)
      • K(a);S_FLIGHT::QAR1(C),XP(b)
      • K(a);P-FLIGHT::QAB1(C)
      • P(b);SBLOCK::QAR1(C)
      • P(b);::QAR1(C)
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