MESON Chess Problem Database

Problem Display
PID: 46620 (8/4R3/1R3n2/p3p3/k1Pr2Q1/P3P2K/8/1Nb5 w - - 0 1)

Wester, Anders Emil

Indian Chess Bulletin, 0000

8/4R3/1R3n2/p3p3/k1Pr2Q1/P3P2K/8/1Nb5

#2

8 + 6

4885 Amatorproblem 1976

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Qxd1#
    • 1...Rxc4
      • 2.Qxc4#
    • 1...Re4
      • 2.Qd1#
    • 1...Rf4
      • 2.Qd1#
    • 1...Bd2
      • 2.Qd1#
    • 1...Bxa3
      • 2.Sc3#
    • 1...Sd5
      • 2.Qd7#
  • Keys
    • 1.Ra7!
      • threat
        • 2.Rb4#
      • 1...Rxc4
        • 2.Qxc4#
      • 1...Bxa3
        • 2.Sc3#
      • 1...Bd2
        • 2.Qd1#
      • 1...Sd5
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • R(c);N_GUARD::QAB(F),XR(c)
    • R(c);OGATE,P_SPINR(c),XP(E)::QAR2(F),XR(c)
    • R(c);N_GUARD::QAB(F)
    • B(a);S_CUTR(c)::QAB(F)
    • B(a);SBLOCK,XP(B)::S(A)
    • S(f);N_GUARD,S_CUTR(c)::QAB(F)
  • Actual
    • R(H);P_PINP(d)
    • Threat
      • R1(G)
    • Vars
      • R(c);OGATE,P_SPINR(c),XP(E)::QAR2(F),XR(c)
      • B(a);SBLOCK,XP(B)::S(A)
      • B(a);S_CUTR(c)::QAB(F)
      • S(f);N_GUARD,S_CUTR(c)::QAB(F)
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