MESON Chess Problem Database

Problem Display
PID: 51735 (8/2pK1R2/8/2bpk3/4N1R1/1r5r/4N3/4Q3 w - - 0 1)

Savournin, Jacques

1st HM., South African Chess Magazine, 1960

8/2pK1R2/8/2bpk3/4N1R1/1r5r/4N3/4Q3

#2

6 + 6

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...dxe4
      • 2.Rg5#
  • Tries
    • 1.Re7+?
      • 1...Kf5
        • 2.Rg5#
      • 1...Bxe7!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sc6#
      • 1...Kxd4
        • 2.Sf2#
      • 1...Bxd4
        • 2.Rg5#
      • 1...dxe4
        • 2.Qxe4#
      • 1...Rb6
        • 2.Sg3#
      • 1...Rh6
        • 2.Sc3#
      • 1...c6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(d);SBLOCK,XS(C)::R(D)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(e);P-FLIGHT::R1(D)
      • Refutation
        • B(c);XR(F)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(e);S_FLIGHT,XS(B)::R(D)+S(C)
      • B(c);SBLOCK,XS(B)::R(D)
      • P(d);OGATE,P_SPINP(d),XS(C)::QAR1(A),XP(d)
      • R(a);N_GUARD::QAR(A)+S(C)
      • R(b);N_GUARD::QAR(A)+S(C)
      • P(f);::S(B),XP(f)
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