MESON Chess Problem Database

Problem Display
PID: 28297 (8/8/5pp1/3p1k1p/8/3pQ1Pn/4RP1N/K7 w - - 0 1)

Chocolous, Jiri

Source?, 0000

8/8/5pp1/3p1k1p/8/3pQ1Pn/4RP1N/K7

#2

6 + 7

3242 BCPS Rapid Solving (Cheltenham) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Sg1
      • 2.Qf4#
    • 1...Sxf2
      • 2.Rxf2#
      • 2.Qf4#
    • 1...Sf4
      • 2.Qxf4#
    • 1...Sg5
      • 2.Qf4#
    • 1...h4
      • 2.g4#
    • 1...g5
      • 2.Qxd3#
  • Tries
    • 1.Qd4?
      • threat
        • 2.Qxd5#
      • 1...Sf4
        • 2.Qxf4#
      • 1...g5
        • 2.Qxd3#
      • 1...Kg5!
    • 1.Qf3+?
      • 1...Sf4
        • 2.Qxf4#
      • 1...Kg5!
  • Keys
    • 1.Qd2!
      • 1...Sxf2
        • 2.Qf4#
      • 1...dxe2
        • 2.Qxd5#
      • 1...Sf4
        • 2.Qxf4#
      • 1...g5
        • 2.Qxd3#
      • 1...Sg1
        • 2.Qf4#
      • 1...Sg5
        • 2.Qf4#
      • 1...d4
        • 2.Qa5#
      • 1...h4
        • 2.g4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::QAR1(E)
    • S(b);N_GUARD::QAR1(E),XS(b)
    • P(e);N_GUARD::P(F)
    • P(g);SBLOCK::QAB(E),XP(a)
  • Tries
    • Try
      • Q(E);
      • Threat
        • QAR2(E),XP(c)
      • Vars
        • S(b);N_GUARD::QAR1(E),XS(b)
        • P(g);SBLOCK::QAB(E),XP(a)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::QAR1(E),XS(b)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • Q(E);
    • Vars
      • S(b);N_GUARD,XP(C)::QAR1(E)
      • P(a);OGATE,XR(B)::QAR2(E),XP(c)
      • S(b);N_GUARD::QAR1(E),XS(b)
      • P(g);SBLOCK::QAB(E),XP(a)
      • S(b);N_GUARD::QAR1(E)
      • P(c);OGATEB::QAR(E)
      • P(e);N_GUARD::P(F)
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