MESON Chess Problem Database

Problem Display
PID: 99357 (Q7/2B5/K1p3B1/2pP4/N2knrRr/nPN2Rp1/5P2/8 w - - 0 1)

Prikril, Mato

Budapesti Sakkszovetseg, 1986

Q7/2B5/K1p3B1/2pP4/N2knrRr/nPN2Rp1/5P2/8

#2

11 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd2
      • 2.Rd3#
    • 1...Sxc3
      • 2.Rd3#
    • 1...Sg5
      • 2.Rd3#
    • 1...Sf6
      • 2.Rd3#
    • 1...cxd5
      • 2.Se2#
      • 2.Qxd5#
  • Tries
    • 1.Qh8+?
      • 1...Rf6
        • 2.Qxf6#
      • 1...Sf6
        • 2.Rd3#
        • 2.Rfxf4#
        • 2.Qxf6#
      • 1...Rxh8!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Se2#
      • 1...Rxf3
        • 2.dxc6#
      • 1...Sxc3
        • 2.Rd3#
      • 1...Sd6
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • S(d);P_SPINR(e)::R1(D)
    • S(d);P_SPINR(e),XS(C)::R1(D)
  • Tries
    • Try
      • Q(K);CHECK
      • Vars
        • R(e);N_GUARD,P_SPINR(e),P_SPINS(d)::QAB(K),XR(e)
      • Refutation
        • R(f);XQ(K)
  • Actual
    • Q(K);
    • Threat
      • S(C)
    • Vars
      • R(e);P_SPINS(d),XR(D)::QAR(K)+P(G),XP(h)
      • S(d);P_SPINR(e),XS(C)::R1(D)
      • S(d);N_GUARD,P_SPINR(e)::QAB(K)
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