MESON Chess Problem Database

Problem Display
PID: 99227 (8/1B6/6p1/7R/3p1Pk1/3P2Np/5B1Q/2K2b2 w - - 0 1)

Kiss, Janos

Sakkelet, 1992

8/1B6/6p1/7R/3p1Pk1/3P2Np/5B1Q/2K2b2

#2

8 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sxf1?
      • threat
        • 2.Rg5#
      • 1...Kxh5
        • 2.Qxh3#
      • 1...g5
        • 2.Rxg5#
      • 1...gxh5!
    • 1.Rg5+?
      • 1...Kh4
        • 2.Sxf1#
        • 2.Sh1#
        • 2.Se2#
        • 2.Se4#
        • 2.Sf5#
        • 2.Sh5#
      • 1...Kxf4!
    • 1.Qxh3+?
      • 1...Kxf4
        • 2.Qh4#
      • 1...Bxh3!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Rg5#
      • 1...Kxh5
        • 2.Bf3#
      • 1...gxh5
        • 2.Sh6#
      • 1...g5
        • 2.Rxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);XB(a)
      • Threat
        • R1(G)
      • Vars
        • K(d);P_SPINP(b),S_FLIGHT,XR(G)::QAR2(C),XP(b)
        • P(e);::R1(G),XP(e)
      • Refutation
        • P(e);XR(G)
    • Try
      • R(G);CHECK
      • Refutation
        • K(d);P-FLIGHT,XP(F)
    • Try
      • Q(C);CHECK,XP(b)
      • Vars
        • K(d);P-FLIGHT,XP(F)::QAR2(C)
      • Refutation
        • B(a);XQ(C)
  • Actual
    • S(E);
    • Threat
      • R1(G)
    • Vars
      • K(d);P_SPINP(b),S_FLIGHT,XR(G)::B(H)
      • P(e);SBLOCK,XR(G)::S(E)
      • P(e);::R1(G),XP(e)
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