MESON Chess Problem Database

Problem Display
PID: 92063 (8/3p3p/2pp2B1/K7/n1kPPR2/5pQ1/P2R4/3N2Bb w - - 0 1)

Wielgos, Oskar

Schweizerische Arbeiter Schachzeitung, 1961

8/3p3p/2pp2B1/K7/n1kPPR2/5pQ1/P2R4/3N2Bb

#2

10 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.Sb2#
      • 2.Se3#
    • 1...f2
      • 2.Qb3#
      • 2.Qd3#
  • Tries
    • 1.Rc2+?
      • 1...Sc3
        • 2.Sb2#
        • 2.Rxc3#
      • 1...Kd3!
    • 1.Qxf3?
      • threat
        • 2.Qe2#
        • 2.Qf1#
        • 2.Qb3#
        • 2.Qd3#
      • 1...Bg2
        • 2.Qe2#
        • 2.Qb3#
        • 2.Qd3#
      • 1...Sb2
        • 2.Sxb2#
        • 2.Rc2#
        • 2.Qb3#
        • 2.Qc3#
      • 1...Sc3
        • 2.Sb2#
        • 2.Se3#
        • 2.Qxc3#
        • 2.Qd3#
      • 1...Sc5
        • 2.Sb2#
        • 2.Rc2#
        • 2.Qc3#
      • 1...Bxf3!
    • 1.d5?
      • threat
        • 2.e5#
      • 1...cxd5
        • 2.exd5#
      • 1...Sc3
        • 2.Sb2#
      • 1...Sc5
        • 2.Rd4#
      • 1...f2!
  • Keys
    • 1.e5!
      • threat
        • 2.d5#
      • 1...Kd5
        • 2.Bf7#
      • 1...dxe5
        • 2.dxe5#
      • 1...Sc3
        • 2.Se3#
      • 1...Sc5
        • 2.dxc5#
      • 1...f2
        • 2.Qb3#
      • 1...d5
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Refutation
        • K(d);P_SPINP(b),S_FLIGHT
    • Try
      • Q(E);XP(b)
      • Threat
        • DUALS(4)
      • Refutation
        • B(a);XQ(E)
    • Try
      • P(F);
      • Threat
        • R(H)+P(G)
      • Vars
        • P(e);OGATE,XP(F)::R(H)+P(G),XP(e)
        • S(c);N_GUARD,SBLOCK::S(A)
        • S(c);SBLOCK::R1(D)
      • Refutation
        • P(b);
  • Actual
    • P(G);
    • Threat
      • R(H)+P(F)
    • Vars
      • K(d);S_FLIGHT::B(J)
      • P(f);OGATE,XP(G)::R(H)+P(F),XP(f)
      • S(c);SBLOCK::S(A)
      • S(c);OGATE::R(H)+P(F),XS(c)
      • P(b);OGATE::QAB1(E)
      • P(f);SBLOCK::B(J)
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