MESON Chess Problem Database

Problem Display
PID: 75047 (7R/3Q4/2p3p1/4BR2/2P1k1n1/3p4/1K1P4/8 w - - 0 1)

Shanshin, Valery Yurevich

Slesarenko, Anatoly Vasilevich

HM., Politika, 1998

7R/3Q4/2p3p1/4BR2/2P1k1n1/3p4/1K1P4/8

#2

7 + 5

6166 FIDE Album (1998-2000) 2007

SOLUTION

  • SOUND
  • Tries
    • 1.Re8?
      • threat
        • 2.Rf4#
      • 1...Sxe5
        • 2.Rexe5#
      • 1...gxf5
        • 2.Qxc6#
      • 1...g5!
    • 1.Rhf8?
      • threat
        • 2.Qxc6#
        • 2.Qd4#
      • 1...Sxe5
        • 2.Rf4#
      • 1...gxf5
        • 2.Qxf5#
      • 1...Se3
        • 2.Qd4#
      • 1...c5
        • 2.Qc6#
        • 2.Qd5#
        • 2.Qb7#
      • 1...Sf6!
  • Keys
    • 1.Rh3!
      • threat
        • 2.Qxd3#
      • 1...Sxe5
        • 2.Re3#
      • 1...gxf5
        • 2.Qd4#
      • 1...Sf2
        • 2.Re3#
      • 1...Se3
        • 2.Rxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);
      • Threat
        • R1(E)
      • Vars
        • S(c);OGATE,P_SPINS(c),XB(D)::R1(G),XS(c)
        • P(e);SBLOCK,XR(E)::QAB(F),XP(d)
      • Refutation
        • P(e);
    • Try
      • R(G);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);SBLOCK,XB(D)::R1(E)
        • P(e);OGATE,XR(E)::QAB1(F),XP(e)
        • S(c);::QAR1(F)
      • Refutation
        • S(c);
  • Actual
    • R(G);
    • Threat
      • QAB1(F),XP(a)
    • Vars
      • S(c);N_GUARD,XB(D)::R1(G)
      • P(e);SBLOCK,XR(E)::QAR1(F)
      • S(c);N_GUARD::R1(G)
      • S(c);N_GUARD::R1(G),XS(c)
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