MESON Chess Problem Database

Problem Display
PID: 101003 (5QRK/1b1pN3/qb6/rp6/r5N1/p4pk1/5p1R/3nB1n1 w - - 0 1)

Henriksen, Thorleif Cammillo

Good Companions, 1919

5QRK/1b1pN3/qb6/rp6/r5N1/p4pk1/5p1R/3nB1n1

#2

7 + 13

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Bxf2#
  • Tries
    • 1.Se3+?
      • 1...Rg4
        • 2.Sf1#
      • 1...Kxh2!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Sf5#
      • 1...Bd4+
        • 2.Sf6#
      • 1...Rf4
        • 2.Qh4#
      • 1...Be4
        • 2.Qd6#
      • 1...Se3
        • 2.Bxf2#
      • 1...b4
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD,S_CUTB(k)::B(A),XP(c)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • R(g);P_SPINR(g)::S(C)
      • Refutation
        • K(f);N_SPINP(c),S_FLIGHT,XR(B)
  • Actual
    • Q(E);
    • Threat
      • S(D)
    • Vars
      • B(k);CHECK,S_CUTR(g)::R(F)+S(C)
      • R(g);SBLOCK::QAB1(E)
      • B(l);S_CUTR(g)::QAB(E)
      • S(a);N_GUARD,S_CUTB(k)::B(A),XP(c)
      • P(i);S_CUTR(g)::R(F)+S(C)
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