MESON Chess Problem Database

Problem Display
PID: 265376 (8/5B1n/2NPPpRP/2K1Bkb1/5pp1/2pP4/2N1n1P1/7Q w - - 0 1)

Janevski, Zivko

Zadachi i Etyudi, 2010

8/5B1n/2NPPpRP/2K1Bkb1/5pp1/2pP4/2N1n1P1/7Q

#2

12 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.S2d4#
    • 1...Sg1
      • 2.S2d4#
    • 1...Sg3
      • 2.S2d4#
    • 1...Sd4
      • 2.S2xd4#
    • 1...g3
      • 2.Qh3#
  • Tries
    • 1.Kd5?
      • threat
        • 2.Se7#
      • 1...g3
        • 2.Qh3#
      • 1...fxe5!
    • 1.Bxc3?
      • threat
        • 2.Se7#
      • 1...Sxc3
        • 2.S2d4#
      • 1...g3
        • 2.Qh3#
      • 1...Sd4
        • 2.S2xd4#
      • 1...f3!
    • 1.Bd4?
      • threat
        • 2.Se7#
      • 1...Sxd4
        • 2.S2xd4#
      • 1...g3
        • 2.Qh3#
      • 1...f3!
    • 1.g3?
      • threat
        • 2.Qe4#
      • 1...Sxg3
        • 2.S2d4#
      • 1...f3!
  • Keys
    • 1.Qh5!
      • 1...fxe5
        • 2.Se7#
      • 1...Sc1
        • 2.S2d4#
      • 1...Sg1
        • 2.S2d4#
      • 1...Sg3
        • 2.S2d4#
      • 1...Sd4
        • 2.S2xd4#
      • 1...Sf8
        • 2.Rxf6#
      • 1...f3
        • 2.Se3#
      • 1...g3
        • 2.Qh3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
    • P(d);OGATEB::QAB(A)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Threat
        • S(G)
      • Vars
        • P(d);OGATEB::QAB(A)
      • Refutation
        • P(g);XB(F)
    • Try
      • B(F);XP(b)
      • Threat
        • S(G)
      • Vars
        • S(a);N_GUARD,XB(F)::S(B)
        • P(d);OGATEB::QAB(A)
        • S(a);N_GUARD::S(B),XS(a)
      • Refutation
        • P(c);
    • Try
      • B(F);
      • Threat
        • S(G)
      • Vars
        • S(a);XB(F)::S(B),XS(a)
        • P(d);OGATEB::QAB(A)
      • Refutation
        • P(c);
    • Try
      • P(C);
      • Threat
        • QAB1(A)
      • Vars
        • S(a);N_GUARD,XP(C)::S(B)
      • Refutation
        • P(c);
  • Actual
    • Q(A);P_PINB(f)
    • Vars
      • P(g);SBLOCK,XB(F)::S(G)
      • S(a);N_GUARD::S(B)
      • S(a);N_GUARD::S(B),XS(a)
      • S(h);N_GUARD::R1(J),XP(g)
      • P(c);N_GUARD::S(B)
      • P(d);OGATEB::QAB(A)
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