MESON Chess Problem Database

Problem Display
PID: 45896 (8/8/1R6/5K2/p1Bk4/4N3/8/7Q w - - 0 1)

Ignatov, VN

Segodiya zavtra, 1997

8/8/1R6/5K2/p1Bk4/4N3/8/7Q

#2

5 + 2

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Rb2?
      • 1...Kc3
        • 2.Qh8#
      • 1...Kxe3
        • 2.Qe4#
      • 1...Kc5
        • 2.Qd5#
      • 1...a3!
    • 1.Rb3?
      • threat
        • 2.Qd5#
      • 1...Kc5
        • 2.Qd5#
      • 1...axb3!
    • 1.Qe4+?
      • 1...Kc3
        • 2.Qd3#
      • 1...Kc5!
    • 1.Qd5+?
      • 1...Kc3
        • 2.Qd3#
      • 1...Kxe3!
    • 1.Qd1+?
      • 1...Kc3
        • 2.Qd3#
      • 1...Kc5
        • 2.Qd6#
      • 1...Kxe3!
  • Keys
    • 1.Qh2!
      • threat
        • 2.Qe5#
      • 1...Kc3
        • 2.Qb2#
      • 1...Kxe3
        • 2.Qf4#
      • 1...Kc5
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);
      • Vars
        • K(b);S_FLIGHT::QAB(A)
        • K(b);S_FLIGHT,XS(B)::QAR1(A)
        • K(b);S_FLIGHT::QAR1(A)
      • Refutation
        • P(a);
    • Try
      • R(E);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);S_FLIGHT::QAR1(A)
      • Refutation
        • P(a);XR(E)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT,XS(B)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(A)
        • K(b);OGATE,S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT,XS(B)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);S_FLIGHT::QAB1(A)
      • K(b);S_FLIGHT,XS(B)::QAB1(A)
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