MESON Chess Problem Database

Problem Display
PID: 179879 (8/5N2/7r/5N2/2PBk2b/6p1/3K4/5R2 w - - 0 1)

Gross, Erwin

3rd Prize, Hlas l'udu, 1973

8/5N2/7r/5N2/2PBk2b/6p1/3K4/5R2

#2

6 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rh5
      • 2.S7d6#
    • 1...Rd6
      • 2.S7xd6#
    • 1...Rh7
      • 2.S7d6#
    • 1...Rh8
      • 2.S7d6#
    • 1...Bg5+
      • 2.Sxg5#
    • 1...Bf6
      • 2.S7d6#
  • Tries
    • 1.Be5?
      • threat
        • 2.Rf4#
      • 1...Rd6+
        • 2.S5xd6#
      • 1...Bg5+!
  • Keys
    • 1.Be3!
      • threat
        • 2.Rf4#
      • 1...Rd6+
        • 2.S5xd6#
      • 1...Bg5
        • 2.Sxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • R(d);N_GUARD::S(F)
    • R(d);N_GUARD,P_PINB(D)::S(F),XR(d)
    • B(c);CHECK,N_GUARD::S(F),XB(c)
    • B(c);S_CUTR(d)::S(F)
  • Tries
    • Try
      • B(D);
      • Threat
        • R1(A)
      • Vars
        • R(d);CHECK,N_GUARD::S(E),XR(d)
      • Refutation
        • B(c);CHECK
  • Actual
    • B(D);
    • Threat
      • R1(A)
    • Vars
      • R(d);CHECK,N_GUARD::S(E),XR(d)
      • B(c);N_GUARD,P_PINB(D)::S(E),XP(a)
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