MESON Chess Problem Database

Problem Display
PID: 165985 (qN6/pn1p2p1/4P3/N2kBP1r/pP1p4/3p2p1/Kn3R2/2Q1R1b1 w - - 0 1)

Burda, Josef

Sachove umeni (Ceskoslovensky sach), 2014

qN6/pn1p2p1/4P3/N2kBP1r/pP1p4/3p2p1/Kn3R2/2Q1R1b1

#2

10 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Qc4#
    • 1...Sc4
      • 2.Qxc4#
    • 1...Sxa5
      • 2.Qc5#
    • 1...Sc5
      • 2.Qxc5#
    • 1...Sd6
      • 2.Qc5#
    • 1...Sd8
      • 2.Qc5#
    • 1...dxe6
      • 2.Qc6#
    • 1...d6
      • 2.Qc6#
  • Tries
    • 1.Kxb2?
      • threat
        • 2.Qc4#
      • 1...Sxa5
        • 2.Qc5#
      • 1...Sd6
        • 2.Qc5#
      • 1...a3+!
    • 1.Sac6?
      • threat
        • 2.Se7#
      • 1...dxc6
        • 2.Qxc6#
      • 1...Rxf5!
    • 1.Sxd7?
      • threat
        • 2.Qc6#
      • 1...Sxa5
        • 2.Qc5#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Sd6
        • 2.Qc5#
      • 1...Sd8
        • 2.Qc5#
      • 1...Qc8!
    • 1.Rxb2?
      • threat
        • 2.Qc4#
      • 1...Sxa5
        • 2.Qc5#
      • 1...Sd6
        • 2.Qc5#
      • 1...Be3!
    • 1.exd7?
      • threat
        • 2.Qc6#
      • 1...Sxa5
        • 2.Qc5#
        • 2.d8Q#
        • 2.d8R#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Sd6
        • 2.Qc5#
      • 1...Sd8
        • 2.Qc5#
      • 1...Rh6!
  • Keys
    • 1.Bc7!
      • threat
        • 2.Re5#
      • 1...Rxf5
        • 2.Rxf5#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Sd6
        • 2.Qc5#
      • 1...d6
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • S(b);N_GUARD::QAB1(A)
    • S(b);N_GUARD::QAB1(A),XS(b)
    • S(j);N_GUARD,XS(F)::QAR1(A)
    • S(j);N_GUARD::QAR1(A),XS(j)
    • S(j);N_GUARD::QAR1(A)
    • P(k);N_GUARD,XP(I)::QAB1(A)
    • P(k);N_GUARD::QAB1(A)
  • Tries
    • Try
      • K(C);P-FLIGHT,XS(b)
      • Threat
        • QAB1(A)
      • Vars
        • S(j);N_GUARD,XS(F)::QAR1(A)
        • S(j);N_GUARD::QAR1(A)
      • Refutation
        • P(e);CHECK
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • P(k);OGATE,XS(F)::QAB1(A),XP(k)
      • Refutation
        • R(h);XP(H)
    • Try
      • S(J);XP(k)
      • Threat
        • QAB1(A)
      • Vars
        • S(j);N_GUARD,XS(F)::QAR1(A)
        • S(b);N_GUARD::QAB1(A),XS(b)
        • S(j);N_GUARD::QAR1(A),XS(j)
        • S(j);N_GUARD::QAR1(A)
      • Refutation
        • Q(m);
    • Try
      • R(D);XS(b)
      • Threat
        • QAB1(A)
      • Vars
        • S(j);N_GUARD,XS(F)::QAR1(A)
        • S(j);N_GUARD::QAR1(A)
      • Refutation
        • B(a);
    • Try
      • P(I);XP(k)
      • Threat
        • QAB1(A)
      • Vars
        • S(b);N_GUARD::QAB1(A),XS(b)
        • S(j);N_GUARD::QAR1(A),XS(j)
        • S(j);N_GUARD::QAR1(A)
      • Refutation
        • R(h);
  • Actual
    • B(G);
    • Threat
      • R1(B)
    • Vars
      • R(h);OGATE,XP(H)::R(D),XR(h)
      • S(b);N_GUARD::QAB1(A),XS(b)
      • S(j);N_GUARD::QAR1(A)
      • P(k);N_GUARD::QAB1(A)
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