MESON Chess Problem Database

Problem Display
PID: 93146 (8/rp6/4K3/b1k5/P1N5/1pp3Q1/4P3/8 w - - 0 1)

Mandal, H

Tidskrift for Schack, 1912

8/rp6/4K3/b1k5/P1N5/1pp3Q1/4P3/8

#2

5 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Qd6#
  • Tries
    • 1.Qe5+?
      • 1...Kb4
        • 2.Qb5#
      • 1...Kc6
        • 2.Qd6#
      • 1...Kxc4!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Qd6#
      • 1...Kb4
        • 2.Qd6#
      • 1...Kd4
        • 2.Qe5#
      • 1...Kxb6
        • 2.Qd6#
      • 1...Kc6
        • 2.Qd6#
      • 1...Bxb6
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(d);P-FLIGHT::QAR1(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(d);OGATE,S_FLIGHT::QAR1(B)
        • K(d);P-FLIGHT::QAR1(B)
      • Refutation
        • K(d);P-FLIGHT,XS(D)
  • Actual
    • S(D);
    • Threat
      • QAB1(B)
    • Vars
      • K(d);S_FLIGHT::QAB(B)
      • K(d);S_FLIGHT::QAB1(B)
      • K(d);S_FLIGHT,XS(D)::QAR2(B)
      • K(d);P-FLIGHT::QAR1(B)
      • B(c);N_GUARD,SBLOCK,XS(D)::QAR2(B),XP(b)
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