MESON Chess Problem Database

Problem Display
PID: 180394 (K7/B1p1R3/B1kpb3/n3p3/4r3/2pN4/6R1/7Q w - - 0 1)

Lider, Valentin Viktorovich

Thema Danicum, 1983

K7/B1p1R3/B1kpb3/n3p3/4r3/2pN4/6R1/7Q

#2

7 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Sb4#
    • 1...Re2
      • 2.Sb4#
    • 1...Re3
      • 2.Sb4#
    • 1...Rb4
      • 2.Sxb4#
    • 1...Bc4
      • 2.Sb4#
    • 1...Sc4
      • 2.Sb4#
  • Tries
    • 1.Rb2?
      • threat
        • 2.Sb4#
      • 1...Kd5
        • 2.Sb4#
      • 1...Bd5
        • 2.Bb5#
      • 1...d5!
    • 1.Rg6?
      • threat
        • 2.Sb4#
      • 1...Kd5
        • 2.Sb4#
      • 1...d5
        • 2.Rgxe6#
      • 1...Bd5!
  • Keys
    • 1.Rgg7!
      • threat
        • 2.Sb4#
      • 1...Kd5
        • 2.Sb4#
      • 1...Bd5
        • 2.Rxc7#
      • 1...d5
        • 2.Rxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • R(b);N_GUARD::S(C)
    • R(b);N_GUARD::S(C),XR(b)
    • B(g);S_CUTR(b)::S(C)
    • S(c);S_CUTR(b)::S(C)
  • Tries
    • Try
      • R(B);P_PINR(b)
      • Threat
        • S(C)
      • Vars
        • K(e);S_FLIGHT::S(C)
        • B(g);N_SPINR(b),SBLOCK::B(D)
      • Refutation
        • P(f);N_SPINR(b)
    • Try
      • R(B);P_PINR(b)
      • Threat
        • S(C)
      • Vars
        • K(e);S_FLIGHT::S(C)
        • P(f);N_SPINR(b),OGATEB,P_SPINB(g),SBLOCK::R(B),XB(g)
      • Refutation
        • B(g);N_SPINR(b),P_SPINP(f)
  • Actual
    • R(B);P_PINR(b)
    • Threat
      • S(C)
    • Vars
      • K(e);S_FLIGHT::S(C)
      • B(g);N_SPINR(b),SBLOCK::R1(F),XP(h)
      • P(f);N_SPINR(b),OGATEB,SBLOCK::R(F),XB(g)
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Developed and maintained by Brian Stephenson.
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