MESON Chess Problem Database

Problem Display
PID: 246017 (2q2Bn1/Np2R3/1N6/Q1rr4/n7/kb6/p3R2p/6bK w - - 0 1)

Svitek, Miroslav

Sachove umeni (Ceskoslovensky sach), 2008

2q2Bn1/Np2R3/1N6/Q1rr4/n7/kb6/p3R2p/6bK

#2

7 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.Qxa4#
  • Tries
    • 1.R7e4?
      • threat
        • 2.Sb5#
        • 2.Qb4#
      • 1...Qxf8
        • 2.Qb4#
      • 1...Bd1
        • 2.Qb4#
      • 1...Bc2
        • 2.Qb4#
      • 1...Bc4
        • 2.Qxa4#
      • 1...Qd7
        • 2.Qb4#
      • 1...Qc6
        • 2.Qb4#
      • 1...Qe8
        • 2.Qb4#
      • 1...Rd4
        • 2.Sb5#
      • 1...Rd6
        • 2.Qb4#
      • 1...Bd4
        • 2.Sb5#
      • 1...Se7
        • 2.Qb4#
      • 1...Rd2!
  • Keys
    • 1.R7e3!
      • threat
        • 2.Sc4#
        • 2.Sb5#
        • 2.Qxa4#
      • 1...Qxf8
        • 2.Qxa4#
      • 1...Bxe3
        • 2.Sb5#
      • 1...Rd2
        • 2.Sc4#
      • 1...Qg4
        • 2.Sb5#
      • 1...Qd7
        • 2.Sc4#
      • 1...Qc6
        • 2.Sc4#
      • 1...Qe8
        • 2.Sc4#
      • 1...Rd3
        • 2.Sb5#
      • 1...Rd4
        • 2.Sb5#
      • 1...Rd6
        • 2.Qxa4#
      • 1...Se7
        • 2.Qxa4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 1
  • Sets
    • B(e);N_GUARD::QAR1(C),XS(f)
  • Tries
    • Try
      • R(F);P_PINR(g)
      • Threat
        • DUALS(2)
      • Vars
        • Q(j);N_SPINR(g),XB(G)::QAB1(C)
        • B(e);::QAB1(C)
        • B(e);N_GUARD::QAR1(C),XS(f)
        • Q(j);::QAB1(C)
        • R(h);::S(E)
        • R(h);N_SPINR(g)::QAB1(C)
        • B(a);::S(E)
        • S(k);N_SPINR(g)::QAB1(C)
      • Refutation
        • R(h);
  • Actual
    • R(F);P_PINB(e),P_PINR(g)
    • Threat
      • DUALS(3)
    • Vars
      • Q(j);N_SPINR(g),XB(G)::QAR1(C),XS(f)
      • B(a);N_SPINB(e),XR(F)::S(E)
      • R(h);::S(D)
      • Q(j);::S(E)
      • Q(j);::S(D)
      • R(h);N_SPINB(e)::S(E)
      • R(h);::S(E)
      • R(h);N_SPINR(g)::QAR1(C),XS(f)
      • S(k);N_SPINR(g)::QAR1(C),XS(f)
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