MESON Chess Problem Database

Problem Display
PID: 215966 (1r4rq/8/2p1n3/3pQ2p/4p3/4k3/8/bNRKNR1b w - - 0 1)

Reinhofer, Erwin

Badische Neueste Nachrichten, 1986

1r4rq/8/2p1n3/3pQ2p/4p3/4k3/8/bNRKNR1b

#2

6 + 11

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2
      • 2.Rc3#
    • 1...Rg2
      • 2.Rf3#
    • 1...Bc3
      • 2.Rxc3#
    • 1...Bf3+
      • 2.Rxf3#
    • 1...Sd4
      • 2.Qf4#
  • Keys
    • 1.Sa3!
      • threat
        • 2.Sac2#
      • 1...Bf3+
        • 2.Rxf3#
      • 1...Rb2
        • 2.Rc3#
      • 1...Rg2
        • 2.Rf3#
      • 1...Sd4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • R(i);S_CUTB(a)::R(B)
    • R(j);S_CUTB(b)::R1(E)
    • B(a);N_GUARD::R(B),XB(a)
    • B(b);CHECK,N_GUARD::R1(E),XB(b)
    • S(h);N_GUARD,SBLOCK::QAB1(F)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • B(b);CHECK,N_GUARD::R1(E),XB(b)
      • R(i);S_CUTB(a)::R(B)
      • R(j);S_CUTB(b)::R1(E)
      • S(h);N_GUARD,SBLOCK::QAB1(F)
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