MESON Chess Problem Database

Problem Display
PID: 42937 (6Q1/2nppq2/1p6/1P1kPNn1/1PRN2B1/3Pp3/4K3/B5b1 w - - 0 1)

Rossomakho, Yakov V

Sushkov, Yuri Akimovich

1st Prize, Shakhmaty v SSSR, 1983

6Q1/2nppq2/1p6/1P1kPNn1/1PRN2B1/3Pp3/4K3/B5b1

#2

11 + 9

3748 FIDE Album (1983-1985) 1992
5007 Zadachi i Etyudi 1995
133 The Problemist Supplement 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Sc2?
      • threat
        • 2.Sxe7#
      • 1...Ke6
        • 2.Sfxe3#
      • 1...Sge6
        • 2.Bf3#
      • 1...Sce6
        • 2.Qa8#
      • 1...e6!
    • 1.Sb3?
      • threat
        • 2.Sxe7#
      • 1...Ke6
        • 2.Sxe3#
      • 1...Sge6
        • 2.Bf3#
      • 1...Sce6
        • 2.Qa8#
      • 1...e6!
    • 1.Sf3?
      • threat
        • 2.Sxe7#
      • 1...Ke6
        • 2.Sxe3#
      • 1...e6
        • 2.Rd4#
      • 1...Sce6
        • 2.Qa8#
      • 1...Sge6!
    • 1.Sc6?
      • threat
        • 2.Sfxe7#
      • 1...Ke6
        • 2.Sxe3#
        • 2.Sfxe7#
      • 1...e6
        • 2.Rd4#
      • 1...Sge6
        • 2.Bf3#
      • 1...Sce6!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sf4#
        • 2.Sxc7#
      • 1...Kxe6
        • 2.Sxe3#
      • 1...Qxe6
        • 2.Sxe7#
      • 1...Sgxe6
        • 2.Bf3#
      • 1...Sxb5
        • 2.Sf4#
      • 1...Scxe6
        • 2.Qa8#
      • 1...dxe6
        • 2.Qd8#
      • 1...Bh2
        • 2.Sxe3#
        • 2.Sxc7#
      • 1...Sh3
        • 2.Sxc7#
      • 1...Sa6
        • 2.Sf4#
      • 1...Sa8
        • 2.Sf4#
      • 1...Se8
        • 2.Sf4#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • S(J),XP(h)
      • Vars
        • K(c);S_FLIGHT::B(G)+S(J),XP(b)
        • S(d);N_GUARD,N_SPINQ(i),SBLOCK::B(G)
        • S(f);N_GUARD,N_SPINQ(i),SBLOCK::QAB(K)
      • Refutation
        • P(h);N_SPINQ(i)
    • Try
      • S(F);
      • Threat
        • S(J),XP(h)
      • Vars
        • K(c);S_FLIGHT::B(G)+S(J),XP(b)
        • S(d);N_GUARD,N_SPINQ(i),SBLOCK::B(G)
        • S(f);N_GUARD,N_SPINQ(i),SBLOCK::QAB(K)
      • Refutation
        • P(h);N_SPINQ(i)
    • Try
      • S(F);
      • Threat
        • S(J),XP(h)
      • Vars
        • K(c);S_FLIGHT::B(G)+S(J),XP(b)
        • P(h);N_SPINQ(i),SBLOCK::R1(E)
        • S(f);N_GUARD,N_SPINQ(i),SBLOCK::QAB(K)
      • Refutation
        • S(d);N_SPINQ(i)
    • Try
      • S(F);
      • Threat
        • S(J),XP(h)
      • Vars
        • P(h);N_SPINQ(i),SBLOCK::R1(E)
        • S(d);N_GUARD,N_SPINQ(i),SBLOCK::B(G)
      • Refutation
        • S(f);N_SPINQ(i)
  • Actual
    • S(F);N_PINQ(i)
    • Threat
      • DUALS(2)
    • Vars
      • K(c);P_SPINQ(i),S_FLIGHT,XS(F)::B(G)+S(J),XP(b)
      • Q(i);N_GUARD,P_SPINQ(i),XS(F)::S(J),XP(h)
      • S(d);N_GUARD,SBLOCK,XS(F)::B(G)
      • S(f);XP(H)::S(F)
      • S(f);N_GUARD,SBLOCK,XS(F)::QAB(K)
      • P(g);OGATEB,SBLOCK,XS(F)::QAR(K)
      • S(d);::S(F),XS(f)
      • S(f);::S(F)
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