MESON Chess Problem Database

Problem Display
PID: 269799 (4B3/4p3/8/2Bkp3/4p3/2Q1p3/4K3/8 w - - 0 1)

Paavilainen, Jorma

Tehtavaniekka, 2020

4B3/4p3/8/2Bkp3/4p3/2Q1p3/4K3/8

#2

4 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Ba3?
      • 1...e6
        • 2.Bc6#
        • 2.Qc5#
      • 1...Ke6!
    • 1.Bxe3?
      • threat
        • 2.Qc6#
      • 1...Kd6
        • 2.Qc6#
      • 1...Ke6!
    • 1.Bb4?
      • 1...e6
        • 2.Bc6#
        • 2.Qc5#
      • 1...Ke6!
    • 1.Bb6?
      • threat
        • 2.Qc6#
      • 1...Kd6
        • 2.Qc6#
      • 1...Ke6!
    • 1.Ba7?
      • threat
        • 2.Qc6#
      • 1...Kd6
        • 2.Qc6#
      • 1...Ke6!
  • Keys
    • 1.Bd6!
      • 1...Kxd6
        • 2.Qc6#
      • 1...Ke6
        • 2.Qxe5#
      • 1...exd6
        • 2.Bf7#
      • 1...e6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(C);XP(a)
      • Threat
        • QAB1(B)
      • Vars
        • K(c);P-FLIGHT::QAR1(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(C);
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • QAB1(B)
      • Vars
        • K(c);P-FLIGHT::QAR1(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • QAB1(B)
      • Vars
        • K(c);P-FLIGHT::QAR1(B)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(c);N_GUARD,P-FLIGHT,XB(C)::QAR1(B)
      • K(c);N_GUARD,S_FLIGHT::QAR1(B),XP(d)
      • P(e);N_GUARD,SBLOCK,XB(C)::B(D)
      • P(e);SBLOCK::QAR1(B)
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