MESON Chess Problem Database

Problem Display
PID: 190175 (5bbn/3K1RP1/6kp/7p/8/2BR4/4n3/8 w - - 0 1)

Sartori, A

Magyar Sakkvilag, 1913

5bbn/3K1RP1/6kp/7p/8/2BR4/4n3/8

#2

5 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf7
      • 2.gxh8S#
    • 1...Kh7
      • 2.gxf8S#
  • Tries
    • 1.Rg3+?
      • 1...Kxf7
        • 2.gxh8S#
      • 1...Kh7
        • 2.gxf8S#
        • 2.gxh8Q#
        • 2.gxh8R#
      • 1...Sxg3!
  • Keys
    • 1.Rd5!
      • threat
        • 2.gxh8S#
      • 1...Kxf7
        • 2.gxh8S#
      • 1...Kh7
        • 2.gxf8S#
      • 1...Bxg7
        • 2.Rxg7#
      • 1...Bxf7
        • 2.gxf8S#
      • 1...Sxf7
        • 2.gxf8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT,XR(D)::PXS(g)=S
    • K(c);S_FLIGHT::PXB(e)=S
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(c);S_FLIGHT,XR(D)::PXS(g)=S
      • Refutation
        • S(a);XR(B)
  • Actual
    • R(B);
    • Threat
      • PXS(g)=S
    • Vars
      • K(c);S_FLIGHT,XR(D)::PXS(g)=S
      • K(c);S_FLIGHT::PXB(e)=S
      • B(e);OGATE,XP(E)::R1(D),XB(e)
      • B(f);SBLOCK,XR(D)::PXB(e)=S
      • S(g);SBLOCK,XR(D)::PXB(e)=S
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