MESON Chess Problem Database

Problem Display
PID: 198464 (2B5/3N4/5p2/2p2rpN/3pk3/1Q1R4/3p1p2/3R1K2 w - - 0 1)

Brown, David Leo

Recomm., Fontaine MT, 1978-1979

2B5/3N4/5p2/2p2rpN/3pk3/1Q1R4/3p1p2/3R1K2

#2

7 + 8

5110 Bekroonde Problemen 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Sg3#
    • 1...Re5
      • 2.Sdxf6#
  • Tries
    • 1.Shxf6+?
      • 1...Kf4
        • 2.Rf3#
      • 1...Rxf6!
    • 1.Sxc5+?
      • 1...Ke5
        • 2.Qe6#
      • 1...Rxc5!
    • 1.Sdxf6+?
      • 1...Ke5
        • 2.Qd5#
        • 2.Qe6#
        • 2.Qb8#
      • 1...Rxf6!
    • 1.R1xd2?
      • threat
        • 2.Re2#
      • 1...Rf3
        • 2.Qe6#
      • 1...Rf4
        • 2.Sg3#
        • 2.Qe6#
      • 1...Re5
        • 2.Sdxf6#
      • 1...c4
        • 2.Rxd4#
      • 1...Rd5!
    • 1.Qe6+?
      • 1...Re5
        • 2.Sxc5#
      • 1...Kxd3!
  • Keys
    • 1.R3xd2!
      • threat
        • 2.Re2#
      • 1...Rf3
        • 2.Qe6#
      • 1...Rf4
        • 2.Sg3#
      • 1...Rd5
        • 2.Qd3#
      • 1...Re5
        • 2.Sdxf6#
      • 1...d3
        • 2.Qxd3#
      • 1...c4
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(f);SBLOCK::S(E)
    • R(f);N_GUARD,SBLOCK::S(F),XP(h)
  • Tries
    • Try
      • S(E);CHECK,XP(h)
      • Vars
        • K(d);P-FLIGHT::R1(D)
      • Refutation
        • R(f);XS(E)
    • Try
      • S(F);CHECK,XP(e)
      • Vars
        • K(d);P-FLIGHT::QAR1(C)
      • Refutation
        • R(f);XS(F)
    • Try
      • S(F);CHECK,XP(h)
      • Refutation
        • R(f);XS(F)
    • Try
      • R(A);XP(a)
      • Threat
        • R(A)
      • Vars
        • R(f);N_GUARD::QAR2(C)
        • R(f);N_GUARD,SBLOCK::S(F),XP(h)
        • P(e);N_GUARD::R1(D),XP(c)
      • Refutation
        • R(f);
    • Try
      • Q(C);CHECK
      • Vars
        • R(f);P_SPINR(f)::S(F),XP(e)
      • Refutation
        • K(d);P_SPINP(a),S_FLIGHT,XR(D)
  • Actual
    • R(D);XP(a)
    • Threat
      • R(D)
    • Vars
      • R(f);N_GUARD,SBLOCK::QAR2(C)
      • R(f);SBLOCK::S(E)
      • R(f);SBLOCK::QAB1(C)
      • R(f);N_GUARD,SBLOCK::S(F),XP(h)
      • P(c);::QAB1(C),XP(c)
      • P(e);N_GUARD::R1(D),XP(c)
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