MESON Chess Problem Database

Problem Display
PID: 236973 (8/8/4p3/K2kp1B1/8/8/2Q5/8 w - - 0 1)

Antipin, Ivan Ivanovich

Sem Shakhmatnikh not, 2017

8/8/4p3/K2kp1B1/8/8/2Q5/8

#2

3 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kb4?
      • 1...Kd4
        • 2.Qc4#
      • 1...e4
        • 2.Qc5#
      • 1...Kd6!
    • 1.Kb6?
      • threat
        • 2.Qd3#
      • 1...Kd6
        • 2.Qd1#
        • 2.Qd3#
        • 2.Qd2#
        • 2.Qc6#
      • 1...e4
        • 2.Qc5#
      • 1...Kd4!
    • 1.Be3?
      • 1...e4
        • 2.Qc5#
      • 1...Kd6!
    • 1.Be7?
      • 1...e4
        • 2.Qc5#
      • 1...Kd4!
  • Keys
    • 1.Kb5!
      • threat
        • 2.Qd3#
      • 1...Kd4
        • 2.Qc4#
      • 1...Kd6
        • 2.Qc6#
      • 1...e4
        • 2.Qc5#

FEATURES

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