MESON Chess Problem Database

Problem Display
PID: 50177 (8/5p1K/8/r5bB/R3N2k/1q4p1/5Rp1/4B1Q1 w - - 0 1)

Savournin, Jacques

2nd Prize, Het Belgisch Schaakbord (L'Echiquier Belge), 1982-1983

8/5p1K/8/r5bB/R3N2k/1q4p1/5Rp1/4B1Q1

#2

7 + 7

5110 Bekroonde Problemen 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Sxg3+?
      • 1...Kxg3
        • 2.Rf3#
        • 2.Qxg2#
      • 1...Kh3
        • 2.Qxg2#
      • 1...Qxa4
        • 2.Qh2#
      • 1...Qc4
        • 2.Qh2#
      • 1...Qb4
        • 2.Qh2#
      • 1...Rxa4
        • 2.Qh2#
      • 1...Bf4!
    • 1.Rf3?
      • threat
        • 2.Qh2#
      • 1...Kh3
        • 2.Sf2#
      • 1...Kxh5
        • 2.Sxg3#
      • 1...Qe6!
  • Keys
    • 1.Rf5!
      • threat
        • 2.Qh2#
      • 1...Kh3
        • 2.Sxg5#
      • 1...Kxh5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK,XP(c)
      • Vars
        • K(d);P-FLIGHT::QAB1(B),XP(a)
        • Q(b);SBLOCK,XR(D)::QAR2(B)
        • Q(b);P_SPINQ(b)::QAR2(B)
        • R(e);SBLOCK,XR(D)::QAR2(B)
      • Refutation
        • B(f);P_SPINB(f)
    • Try
      • R(C);P_PINP(c)
      • Threat
        • QAR2(B)
      • Vars
        • K(d);P-FLIGHT::S(E)
        • K(d);N_SPINP(c),P-FLIGHT,XB(F)::S(E),XP(c)
      • Refutation
        • Q(b);
  • Actual
    • R(C);P_PINP(c)
    • Threat
      • QAR2(B)
    • Vars
      • K(d);N_SPINP(c),P-FLIGHT::S(E),XB(f)
      • K(d);N_SPINP(c),P-FLIGHT,P_SPINB(f),XB(F)::S(E)
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