MESON Chess Problem Database

Problem Display
PID: 61431 (8/5K2/8/3kp3/3NN3/8/6Q1/6B1 w - - 0 1)

Svendsen, M

Schackvarlden, 1929

8/5K2/8/3kp3/3NN3/8/6Q1/6B1

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Qf1?
      • 1...Kxe4
        • 2.Qf3#
      • 1...exd4!
    • 1.Qf3?
      • 1...Kc4
        • 2.Qb3#
      • 1...exd4!
    • 1.Qg3?
      • 1...Kc4
        • 2.Qb3#
      • 1...Kxe4
        • 2.Qf3#
      • 1...exd4!
    • 1.Qg4?
      • 1...exd4
        • 2.Qe6#
      • 1...Kc4!
    • 1.Qg6?
      • threat
        • 2.Qc6#
      • 1...exd4
        • 2.Qe6#
      • 1...Kc4!
  • Keys
    • 1.Qh3!
      • 1...Kc4
        • 2.Qb3#
      • 1...Kxe4
        • 2.Qf3#
      • 1...exd4
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
      • Refutation
        • P(b);XS(C)
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • P(b);XS(C)
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
        • K(a);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
      • Refutation
        • P(b);XS(C)
    • Try
      • Q(B);
      • Vars
        • P(b);XS(C)::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • P(b);XS(C)::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
      • P(b);XS(C)::QAB1(B)
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