MESON Chess Problem Database

Problem Display
PID: 34907 (8/2p5/8/8/1QK1k1B1/8/6P1/8 w - - 0 1)

Kasahara, Saburou

Problem Paradise, 1999

8/2p5/8/8/1QK1k1B1/8/6P1/8

#2

4 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Kc3+?
      • 1...Ke3
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...Kd5!
    • 1.Kc5+?
      • 1...Ke3
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...Kd3!
    • 1.Qd2?
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...c5!
  • Keys
    • 1.g3!
      • threat
        • 2.Qe1#
        • 2.Qe7#
      • 1...Ke3
        • 2.Qe1#
      • 1...Ke5
        • 2.Qe7#
      • 1...c5
        • 2.Qe1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);CHECK,P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);CHECK,P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • P(b);
  • Actual
    • P(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);P-FLIGHT::QAR2(B)
      • P(b);::QAR(B)
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