MESON Chess Problem Database

Problem Display
PID: 101157 (K7/1p6/1Q6/n7/1RN5/N1kpp3/8/2b5 w - - 0 1)

Nield, Joshua

Good Companions, 1921

K7/1p6/1Q6/n7/1RN5/N1kpp3/8/2b5

#2

5 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Rxb3#
    • 1...Sc6
      • 2.Rb3#
  • Keys
    • 1.Rb2!
      • threat
        • 2.Qf6#
      • 1...Bxb2
        • 2.Qxb2#
      • 1...Sxc4
        • 2.Sb1#
      • 1...d2
        • 2.Qxe3#
      • 1...Sb3
        • 2.Rxb3#
      • 1...Sc6
        • 2.Rb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(e);N_GUARD::R1(B),XS(e)
    • S(e);N_GUARD::R1(B)
  • Actual
    • R(B);
    • Threat
      • QAB(D)
    • Vars
      • B(a);OGATE,XR(B)::QAB1(D),XB(a)
      • S(e);SBLOCK,XS(C)::S(A)
      • P(c);OGATEB::QAR2(D),XP(d)
      • S(e);N_GUARD::R1(B),XS(e)
      • S(e);N_GUARD::R1(B)
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