MESON Chess Problem Database

Problem Display
PID: 99689 (bB4r1/K3p2N/1p2p2P/p3Nk1P/2R2p1R/q1Q5/1p2P1Pb/n7 w - - 0 1)

Schneider, Michael

Magyar Sakkelet, 1973

bB4r1/K3p2N/1p2p2P/p3Nk1P/2R2p1R/q1Q5/1p2P1Pb/n7

#2

11 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rg3
      • 2.Rcxf4#
      • 2.Rhxf4#
    • 1...Bg1
      • 2.Rcxf4#
      • 2.Rhxf4#
  • Tries
    • 1.Sc6?
      • threat
        • 2.Qe5#
      • 1...Qxc3
        • 2.Sxe7#
      • 1...e5
        • 2.Qxe5#
      • 1...Qc5
        • 2.Qd3#
      • 1...f3
        • 2.Sd4#
        • 2.e4#
      • 1...Qd6!
    • 1.Qd3+?
      • 1...Be4
        • 2.Qxe4#
      • 1...Qxd3!
    • 1.Qh3+?
      • 1...Rg4
        • 2.Qxg4#
      • 1...Qxh3!
    • 1.g4+?
      • 1...fxg4 ep
        • 2.Rcf4#
        • 2.Rhf4#
      • 1...Rxg4!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Qe5#
      • 1...Qxc3
        • 2.Sxe7#
      • 1...e5
        • 2.Qxe5#
      • 1...Qc5
        • 2.Qh3#
      • 1...Qd6
        • 2.Qh3#
      • 1...f3
        • 2.g4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • QAR1(C)
      • Vars
        • Q(d);N_GUARD,XQ(C)::S(F),XP(j)
        • P(i);::QAR1(C),XP(i)
        • Q(d);N_GUARD::QAB(C)
      • Refutation
        • Q(d);
    • Try
      • Q(C);CHECK
      • Vars
        • B(k);N_GUARD,P_SPINB(k)::QAB1(C),XB(k)
      • Refutation
        • Q(d);XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • R(l);N_GUARD,P_SPINR(l)::QAB1(C),XR(l)
      • Refutation
        • Q(d);XQ(C)
    • Try
      • P(B);CHECK
      • Refutation
        • R(l);XP(B)
  • Actual
    • S(F);
    • Threat
      • QAR1(C)
    • Vars
      • Q(d);N_GUARD,XQ(C)::S(F),XP(j)
      • P(i);::QAR1(C),XP(i)
      • Q(d);N_GUARD::QAB(C)
      • P(e);N_GUARD::P(B)
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