MESON Chess Problem Database

Problem Display
PID: 92090 (n3r3/K3p2p/b1p5/2Q1N1pq/1N2k3/1r4B1/4BRn1/4b3 w - - 0 1)

Wielgos, Oskar

Schach, 1976

n3r3/K3p2p/b1p5/2Q1N1pq/1N2k3/1r4B1/4BRn1/4b3

#2

7 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sc4?
      • threat
        • 2.Qe5#
      • 1...Bxf2
        • 2.Sd2#
      • 1...Bc3
        • 2.Bd3#
      • 1...e5
        • 2.Sd6#
      • 1...g4!
    • 1.Qd5+?
      • 1...Ke3
        • 2.Sc2#
      • 1...cxd5!
    • 1.Qxc6+?
      • 1...Kd4
        • 2.Sc2#
      • 1...Ke3!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Qe5#
      • 1...Bxf2
        • 2.Sxf2#
      • 1...Bc3
        • 2.Bf3#
      • 1...e5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • QAR1(E)
      • Vars
        • B(a);N_GUARD,P_PINQ(E),XR(B)::S(F)
        • B(a);S_CUTR(c)::B(A)
        • P(i);N_GUARD::S(F)
      • Refutation
        • P(e);
    • Try
      • Q(E);CHECK
      • Vars
        • K(d);P-FLIGHT::S(D)
      • Refutation
        • P(h);XQ(E)
    • Try
      • Q(E);CHECK,XP(h)
      • Vars
        • K(d);P-FLIGHT::S(D)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • S(F);
    • Threat
      • QAR1(E)
    • Vars
      • B(a);P_PINQ(E),XR(B)::S(F),XB(a)
      • B(a);S_CUTR(c)::B(A)
      • P(i);N_GUARD::S(F)
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