MESON Chess Problem Database

Problem Display
PID: 80216 (b4rRb/1B1p1pn1/3PRrPq/4Pkpp/5N1P/8/4N1Q1/K5n1 w - - 0 1)

Stolev, Nikola

3rd HM., Mat Plus, 1995

b4rRb/1B1p1pn1/3PRrPq/4Pkpp/5N1P/8/4N1Q1/K5n1

#2

11 + 12

5929 Mat Plus Special Issue 2006

SOLUTION

  • SOUND
  • Sets
    • 1...Qh7
      • 2.Qxg5#
    • 1...gxf4
      • 2.Sd4#
    • 1...g4
      • 2.Qe4#
  • Tries
    • 1.Qh3+?
      • 1...g4
        • 2.Qd3#
      • 1...Sxh3!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Rxf6#
      • 1...Kxe6
        • 2.Sd4#
      • 1...Kxg6
        • 2.Qe4#
      • 1...Qxg6
        • 2.Sd4#
      • 1...Rxe6
        • 2.Qe4#
      • 1...Rxg6
        • 2.Sd4#
      • 1...Sxe6
        • 2.Qe4#
      • 1...dxe6
        • 2.Qe4#
      • 1...fxe6
        • 2.Qe4#
      • 1...fxg6
        • 2.Sd4#
      • 1...Se8
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 3
  • Sets
    • Q(f);N_GUARD::QAR1(C),XP(c)
    • P(c);SBLOCK,XS(D)::S(B)
    • P(c);SBLOCK::QAB1(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • P(c);P_SPINP(c),SBLOCK::QAB(C)
      • Refutation
        • S(a);XQ(C)
  • Actual
    • S(D);
    • Threat
      • R1(H),XR(e)
    • Vars
      • K(b);S_FLIGHT,XR(H)::S(B)
      • K(b);P_SPINP(c),P_SPINR(e),P_SPINS(i),S_FLIGHT,XP(I)::QAB(C)
      • Q(f);SBLOCK,XP(I)::S(B)
      • R(e);SBLOCK,XR(H)::QAB1(C)
      • R(e);XP(I)::S(B)
      • S(i);SBLOCK,XR(H)::QAB1(C)
      • P(g);SBLOCK,XR(H)::QAB1(C)
      • P(h);SBLOCK,XR(H)::QAB1(C)
      • P(h);SBLOCK,XP(I)::S(B)
      • S(i);::S(B)
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