MESON Chess Problem Database

Problem Display
PID: 221460 (7K/7p/3N1Rpr/p1NB3p/5P1P/2P1kp2/1n2PR2/4B3 w - - 0 1)

Navon, Emanuel

Vatarescu, Paul

Variantim, 2003

7K/7p/3N1Rpr/p1NB3p/5P1P/2P1kp2/1n2PR2/4B3

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Sc4#
    • 1...Sd3
      • 2.Sc4#
    • 1...Sa4
      • 2.Sc4#
    • 1...Sc4
      • 2.Sxc4#
    • 1...fxe2
      • 2.Rf3#
      • 2.Re6#
  • Tries
    • 1.Sa4?
      • 1...Sxa4
        • 2.Sc4#
      • 1...fxe2
        • 2.Rf3#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sd3
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...g5!
    • 1.Sce4?
      • threat
        • 2.Bd2#
      • 1...Sc4
        • 2.Sxc4#
      • 1...fxe2!
    • 1.Se6?
      • 1...fxe2
        • 2.Rf3#
      • 1...g5
        • 2.Sf5#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sd3
        • 2.Sc4#
      • 1...Sa4
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...a4!
    • 1.Bc4?
      • threat
        • 2.Rxf3#
      • 1...Sxc4
        • 2.Sxc4#
      • 1...fxe2
        • 2.Re6#
      • 1...Sd3!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Re6#
      • 1...Sxd3
        • 2.Sc4#
      • 1...fxe2
        • 2.Rf3#
      • 1...Sc4
        • 2.Sxc4#
      • 1...g5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(a);N_GUARD::S(I)
    • S(a);N_GUARD::S(I),XS(a)
  • Tries
    • Try
      • S(G);
      • Vars
        • S(a);N_GUARD,XS(G)::S(I)
        • P(c);SBLOCK,XP(B)::R1(C)
        • S(a);N_GUARD::S(I)
        • S(a);N_GUARD::S(I),XS(a)
      • Refutation
        • P(f);
    • Try
      • S(G);
      • Threat
        • B(A)
      • Vars
        • S(a);N_GUARD::S(I),XS(a)
      • Refutation
        • P(c);XP(B)
    • Try
      • S(G);
      • Vars
        • P(c);SBLOCK,XP(B)::R1(C)
        • P(f);N_GUARD::S(I)
        • S(a);N_GUARD::S(I)
        • S(a);N_GUARD::S(I),XS(a)
      • Refutation
        • P(d);
    • Try
      • B(H);
      • Threat
        • R1(C),XP(c)
      • Vars
        • S(a);XB(H)::S(I),XS(a)
        • P(c);XP(B)::R(J)
      • Refutation
        • S(a);
  • Actual
    • S(G);
    • Threat
      • R(J)
    • Vars
      • S(a);N_GUARD,XS(G)::S(I)
      • P(c);SBLOCK,XP(B)::R1(C)
      • S(a);N_GUARD::S(I),XS(a)
      • P(f);N_GUARD::S(I)
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