MESON Chess Problem Database

Problem Display
PID: 8154 (5B2/5P1P/n1pNppPK/R1qpk3/r1p2N2/2P2Q1p/4P3/1r6 w - - 0 1)

Klemanic, Emil

1st Prize, The Problemist, 1995

5B2/5P1P/n1pNppPK/R1qpk3/r1p2N2/2P2Q1p/4P3/1r6

#2

11 + 11

5417 FIDE Album (1995-1997) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Qg1
      • 2.Qe4#
    • 1...Qf2
      • 2.Qe4#
    • 1...Qa3
      • 2.Qe4#
      • 2.Qe3#
    • 1...Qe3
      • 2.Qxe3#
    • 1...Qb4
      • 2.Qe4#
      • 2.Qe3#
    • 1...Qb6
      • 2.Qe4#
    • 1...Qa7
      • 2.Qe4#
    • 1...Qxa5
      • 2.Qe3#
    • 1...Qb5
      • 2.Qe3#
    • 1...d4
      • 2.Qe4#
    • 1...f5
      • 2.h8Q#
      • 2.h8B#
  • Tries
    • 1.Sh5?
      • threat
        • 2.Qg3#
        • 2.Qf4#
        • 2.Qxf6#
      • 1...Qe3+
        • 2.Qxe3#
      • 1...Qxd6
        • 2.Qf4#
      • 1...Qd4
        • 2.Qxf6#
      • 1...Qg1
        • 2.Qe4#
        • 2.Qf4#
        • 2.Qxf6#
      • 1...Qf2
        • 2.Qe4#
      • 1...Rg1
        • 2.Qf4#
        • 2.Qxf6#
      • 1...d4
        • 2.Qe4#
      • 1...f5
        • 2.Qf4#
        • 2.h8Q#
        • 2.h8B#
      • 1...Rf1!
    • 1.Rxc5?
      • threat
        • 2.Qe4#
        • 2.Qe3#
      • 1...f5
        • 2.h8Q#
        • 2.h8B#
      • 1...Sxc5!
  • Keys
    • 1.Sxd5!
      • threat
        • 2.Qe4#
      • 1...Qe3+
        • 2.Qxe3#
      • 1...Qxd6
        • 2.Qf4#
      • 1...cxd5
        • 2.Qg3#
      • 1...exd5
        • 2.Qf5#
      • 1...Qd4
        • 2.Qxf6#
      • 1...f5
        • 2.h8Q#
        • 2.h8B#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • Q(e);P_SPINP(f)::QAR1(C)
    • Q(e);N_GUARD,P_PINS(D),P_SPINP(f)::QAR2(C),XQ(e)
    • Q(e);N_GUARD,XR(E)::QAR2(C)
    • Q(e);N_GUARD::QAR2(C)
    • P(f);N_GUARD,P_SPINQ(e)::QAR1(C)
    • P(k);::P=Q
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(3)
      • Vars
        • Q(e);CHECK,N_GUARD,P_SPINP(f)::QAR2(C),XQ(e)
        • Q(e);P_SPINP(f),XS(F)::QAB1(C)
        • Q(e);P_SPINP(f)::QAB1(C),XP(k)
        • Q(e);P_SPINP(f)::QAR1(C)
        • P(f);N_GUARD,P_SPINQ(e)::QAR1(C)
      • Refutation
        • R(a);
    • Try
      • R(E);P_PINP(f),XQ(e)
      • Threat
        • DUALS(2)
      • Vars
        • P(k);::P=Q
      • Refutation
        • S(h);N_SPINP(f),XR(E)
  • Actual
    • S(D);XP(f)
    • Threat
      • QAR1(C)
    • Vars
      • Q(e);CHECK,N_GUARD::QAR2(C),XQ(e)
      • Q(e);XS(F)::QAB1(C)
      • P(i);SBLOCK,XS(D)::QAB(C)
      • P(j);N_GUARD,SBLOCK,XS(D)::QAR1(C)
      • Q(e);::QAB1(C),XP(k)
      • P(k);::P=Q
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