MESON Chess Problem Database

Problem Display
PID: 231867 (8/8/2Q5/8/5B2/3kp3/8/K3R3 w - - 0 1)

Bochej, Vasyl

Kudesnik, 1998

8/8/2Q5/8/5B2/3kp3/8/K3R3

#2

4 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Rd1#
  • Tries
    • 1.Be5?
      • 1...Kd2
        • 2.Qc3#
      • 1...e2!
    • 1.Rc1?
      • 1...Kd2
        • 2.Qc2#
      • 1...Kd4
        • 2.Rd1#
        • 2.Qc4#
      • 1...e2
        • 2.Qd5#
        • 2.Qc4#
      • 1...Ke2!
    • 1.Qc2+?
      • 1...Kd4
        • 2.Rd1#
      • 1...Kxc2!
  • Keys
    • 1.Kb2!
      • threat
        • 2.Qd5#
      • 1...Kd2
        • 2.Qc3#
      • 1...Kd4
        • 2.Rd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(B)
  • Tries
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
      • Refutation
        • P(b);
    • Try
      • R(B);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • K(a);S_FLIGHT,XQ(D)
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • QAR2(D)
    • Vars
      • K(a);P-FLIGHT,P_SPINP(b)::QAB1(D)
      • K(a);P-FLIGHT::R(B)
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