MESON Chess Problem Database

Problem Display
PID: 77500 (8/8/8/7p/3B3K/3Q4/2p5/2r1k3 w - - 0 1)

Cyrulik, Stepan Pavlovich

Problemist Pribuzhya, 1992

8/8/8/7p/3B3K/3Q4/2p5/2r1k3

#2

3 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Kg3?
      • threat
        • 2.Bf2#
        • 2.Bc3#
      • 1...Rd1
        • 2.Bf2#
      • 1...h4+!
    • 1.Qd2+?
      • 1...Kf1
        • 2.Qf2#
      • 1...Kxd2!
    • 1.Qe3+?
      • 1...Kf1
        • 2.Qf2#
      • 1...Kd1!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Bc3#
      • 1...Kd2
        • 2.Bc3#
      • 1...Rd1
        • 2.Qf2#

This is a version

FEATURES

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