MESON Chess Problem Database

Problem Display
PID: 210366 (B7/5p2/1pQ1pr2/1p6/1r1k1NNR/8/n2P1RK1/6n1 w - - 0 1)

Klemanic, Emil

Salai (Jr), Ladislav

Sachova skladba, 2017

B7/5p2/1pQ1pr2/1p6/1r1k1NNR/8/n2P1RK1/6n1

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Qd6#
    • 1...Sc1
      • 2.Qc3#
    • 1...Sc3
      • 2.Qxc3#
      • 2.dxc3#
    • 1...e5
      • 2.Qd5#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Qe4#
      • 1...Rxf2+
        • 2.Sgxf2#
      • 1...Kxd3
        • 2.Se5#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Rf4!
    • 1.Sxe6+?
      • 1...Kd3
        • 2.Se5#
      • 1...Rxe6
        • 2.Qd5#
      • 1...fxe6!
    • 1.Rh8?
      • threat
        • 2.Rd8#
      • 1...Sc3
        • 2.Qxc3#
        • 2.dxc3#
      • 1...e5
        • 2.Qd5#
      • 1...Rf5!
  • Keys
    • 1.Se5!
      • threat
        • 2.Qd6#
      • 1...Rg6+
        • 2.Sfxg6#
      • 1...Kxe5
        • 2.Sd3#
      • 1...Sc3
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(c);SBLOCK::QAR2(G)
    • S(b);N_GUARD::QAB1(G)
    • P(g);N_GUARD::QAR1(G)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAR1(G)
      • Vars
        • R(h);CHECK,XR(B)::R(F)+S(E),XR(h)
        • K(d);P-FLIGHT,XS(D)::S(E)
        • S(b);N_GUARD::QAB1(G),XS(b)
      • Refutation
        • R(h);
    • Try
      • S(D);CHECK,XP(g)
      • Vars
        • K(d);P-FLIGHT::S(E)
        • R(h);XS(D)::QAR1(G)
      • Refutation
        • P(i);XS(D)
    • Try
      • R(F);
      • Threat
        • R(F)
      • Vars
        • P(g);N_GUARD::QAR1(G)
      • Refutation
        • R(h);
  • Actual
    • S(E);
    • Threat
      • QAR2(G)
    • Vars
      • R(h);CHECK,N_GUARD::R(F)+S(D),XR(h)
      • K(d);S_FLIGHT,XS(E)::S(D)
      • S(b);N_GUARD::QAB1(G),XS(b)
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