MESON Chess Problem Database

Problem Display
PID: 161415 (4B3/1R2PPp1/q1N2pp1/2Pk3P/5QN1/pP1pp2K/2n2P2/2R5 w - - 0 1)

Muller, Dieter

1st HM., Mariani-50 JT, 2011

4B3/1R2PPp1/q1N2pp1/2Pk3P/5QN1/pP1pp2K/2n2P2/2R5

#2

13 + 9

4901 Best Problems 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc5
      • 2.Qd4#
    • 1...Ke6
      • 2.Qe4#
    • 1...Qc4
      • 2.Qxc4#
    • 1...Qxb7
      • 2.Qc4#
    • 1...Qa5
      • 2.Qc4#
    • 1...Qb6
      • 2.Qc4#
    • 1...Qxc6
      • 2.Qc4#
    • 1...Qa7
      • 2.Qc4#
    • 1...Qa8
      • 2.Qc4#
    • 1...f5
      • 2.Qe5#
    • 1...gxh5
      • 2.Qf5#
    • 1...g5
      • 2.Qf5#
  • Tries
    • 1.Sxe3+?
      • 1...Kxc5
        • 2.Qb4#
        • 2.Qd4#
        • 2.b4#
      • 1...Ke6
        • 2.Sd8#
        • 2.Qd6#
        • 2.Qe4#
        • 2.f8S#
      • 1...Sxe3!
    • 1.Sxf6+?
      • 1...Kxc5
        • 2.Qe5#
        • 2.Qb4#
        • 2.Qd4#
        • 2.b4#
      • 1...Ke6
        • 2.Sd8#
        • 2.Qe5#
        • 2.f8S#
      • 1...gxf6!
    • 1.Qf3+?
      • 1...Ke6
        • 2.Sd8#
        • 2.Qe4#
        • 2.f8S#
      • 1...Kxc5!
    • 1.Qd4+?
      • 1...Ke6
        • 2.Qe4#
        • 2.Qd7#
      • 1...Sxd4!
    • 1.Qe4+?
      • 1...Kxc5
        • 2.Qd4#
      • 1...Kxe4!
    • 1.hxg6?
      • threat
        • 2.Qf5#
      • 1...Kxc5
        • 2.Qd4#
      • 1...Ke6
        • 2.Qe4#
      • 1...Qxc6
        • 2.Qc4#
      • 1...f5
        • 2.Qe5#
        • 2.Qxf5#
      • 1...Sd4!
  • Keys
    • 1.f3!
      • threat
        • 2.Qd6#
      • 1...Kxc5
        • 2.Qd4#
      • 1...Ke6
        • 2.Qe4#
      • 1...Qxc6
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 9
  • Sets
    • K(e);P-FLIGHT,P_SPINS(a),XP(G)::QAB1(E)
    • K(e);S_FLIGHT::QAR2(E)
    • Q(f);N_GUARD::QAB1(E),XQ(f)
    • Q(f);N_GUARD,XR(J)::QAB1(E)
    • Q(f);N_GUARD::QAB1(E)
    • Q(f);N_GUARD,XS(I)::QAB1(E)
    • P(g);N_GUARD::QAR1(E)
    • P(h);N_GUARD,XP(H)::QAR2(E)
    • P(h);N_GUARD::QAR2(E)
  • Tries
    • Try
      • S(F);CHECK,XP(d)
      • Refutation
        • S(a);XS(F)
    • Try
      • S(F);CHECK,XP(g)
      • Refutation
        • P(i);XS(F)
    • Try
      • Q(E);CHECK
      • Refutation
        • K(e);P-FLIGHT,P_SPINS(a),XP(G)
    • Try
      • Q(E);CHECK
      • Refutation
        • S(a);XQ(E)
    • Try
      • Q(E);CHECK
      • Vars
        • K(e);P-FLIGHT,P_SPINS(a),XP(G)::QAB1(E)
      • Refutation
        • K(e);S_FLIGHT,XQ(E)
    • Try
      • P(H);XP(h)
      • Threat
        • QAR2(E)
      • Vars
        • K(e);P-FLIGHT,P_SPINS(a),XP(G)::QAB1(E)
        • K(e);S_FLIGHT::QAR2(E)
        • Q(f);N_GUARD,XS(I)::QAB1(E)
      • Refutation
        • S(a);
  • Actual
    • P(B);
    • Threat
      • QAR1(E)
    • Vars
      • K(e);P-FLIGHT,P_SPINS(a),XP(G)::QAB1(E)
      • K(e);S_FLIGHT::QAR2(E)
      • Q(f);N_GUARD,XS(I)::QAB1(E)
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