MESON Chess Problem Database

Problem Display
PID: 15650 (6B1/8/8/2pQ4/3pP1p1/2pk4/2N2n2/2K3N1 w - - 0 1)

Rychkov, Vladimir Nikolaevich

1st HM., Shakhmatna misl, 1986

6B1/8/8/2pQ4/3pP1p1/2pk4/2N2n2/2K3N1

#2

6 + 6

4001 Izbrannie Shakmatny Zadachi Vladimira Rychkova 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe4
      • 2.Qc4#
    • 1...c4
      • 2.Qxd4#
  • Tries
    • 1.Bh7?
      • 1...Sxe4
        • 2.Bxe4#
      • 1...Sd1
        • 2.e5#
      • 1...Sh1
        • 2.e5#
      • 1...Sh3
        • 2.e5#
      • 1...c4
        • 2.Qxd4#
      • 1...g3!
    • 1.Qf5?
      • 1...Sxe4
        • 2.Qf1#
      • 1...Sd1
        • 2.e5#
      • 1...Sh1
        • 2.e5#
      • 1...Sh3
        • 2.e5#
      • 1...g3
        • 2.Qf3#
      • 1...c4!
  • Keys
    • 1.e5!
      • 1...Sd1
        • 2.Bh7#
      • 1...Sh1
        • 2.Bh7#
      • 1...Sh3
        • 2.Bh7#
      • 1...Se4
        • 2.Qc4#
      • 1...g3
        • 2.Qf3#
      • 1...c4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK,XP(D)::QAB1(E)
    • P(f);N_GUARD::QAR1(E),XP(d)
  • Tries
    • Try
      • B(F);
      • Vars
        • S(a);OGATE,P_SPINS(a),XP(D)::B(F),XS(a)
        • S(a);N_GUARD::B(F)+P(D)
        • P(f);N_GUARD::QAR1(E),XP(d)
      • Refutation
        • P(e);
    • Try
      • Q(E);N_PINP(d)
      • Vars
        • S(a);OGATE,P_SPINS(a),SBLOCK,XP(D)::QAB(E)
        • S(a);N_GUARD::QAB(E)+P(D)
        • P(e);N_GUARD::QAR2(E)
      • Refutation
        • P(f);
  • Actual
    • P(D);
    • Vars
      • S(a);N_GUARD::B(F)
      • S(a);SBLOCK::QAB1(E)
      • P(e);N_GUARD::QAR2(E)
      • P(f);N_GUARD::QAR1(E),XP(d)
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