MESON Chess Problem Database

Problem Display
PID: 101083 (3QR3/8/8/3pN3/2br1pP1/3Nk3/1K4P1/8 w - - 0 1)

Malmstrom, Birger Georg Christens

Good Companions, 1921

3QR3/8/8/3pN3/2br1pP1/3Nk3/1K4P1/8

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qh4!
      • threat
        • 2.Qe1#
      • 1...Kd2
        • 2.Qe1#
      • 1...Ke2
        • 2.Qe1#
      • 1...Ke4
        • 2.Qe1#
      • 1...Rxd3
        • 2.Sf3#
      • 1...Bxd3
        • 2.Sc4#
      • 1...Re4
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(F);
    • Threat
      • QAR2(F)
    • Vars
      • K(a);S_FLIGHT::QAB1(F)
      • K(a);P-FLIGHT::QAR1(F)
      • K(a);P-FLIGHT::QAR(F)
      • R(c);N_GUARD,SBLOCK,XS(C)::R(G)+S(E)
      • B(b);SBLOCK,XS(C)::R(G)+S(E),DCHECK
      • R(c);SBLOCK::QAB1(F)
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