MESON Chess Problem Database

Problem Display
PID: 196648 (8/3Q4/B6K/8/3B4/4N3/2pk4/8 w - - 0 1)

Rezinkin, Valery Ivanovich

2nd HM., Chirvony Smena, 1976

8/3Q4/B6K/8/3B4/4N3/2pk4/8

#2

5 + 2

133 The Problemist Supplement 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Qg4?
      • 1...Ke1
        • 2.Qe2#
      • 1...c1Q
        • 2.Qe2#
      • 1...c1S
        • 2.Qd1#
      • 1...c1B
        • 2.Qd1#
        • 2.Qe2#
      • 1...c1R
        • 2.Qe2#
      • 1...Kc1!
    • 1.Qb5?
      • 1...Ke1
        • 2.Qe2#
      • 1...c1Q
        • 2.Qe2#
      • 1...c1S
        • 2.Qb4#
        • 2.Qa5#
      • 1...c1B
        • 2.Qe2#
        • 2.Qb4#
        • 2.Qa5#
      • 1...c1R
        • 2.Qe2#
      • 1...Kc1!
  • Keys
    • 1.Qf5!
      • 1...Kc1
        • 2.Qxc2#
      • 1...Ke1
        • 2.Bc3#
      • 1...c1Q
        • 2.Qf2#
      • 1...c1S
        • 2.Qa5#
      • 1...c1B
        • 2.Qf2#
        • 2.Qa5#
      • 1...c1R
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Vars
        • K(b);S_FLIGHT::QAR1(E)
        • P(a);SBLOCK::QAR1(E)
        • P(a);N_GUARD::QAR1(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(b);S_FLIGHT::QAR1(E)
        • P(a);SBLOCK::QAR1(E)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(b);S_FLIGHT::QAR1(E),XP(a)
      • K(b);S_FLIGHT::B(B)
      • P(a);SBLOCK::QAR2(E)
      • P(a);SBLOCK::QAB(E)
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