MESON Chess Problem Database

Problem Display
PID: 144206 (Q2B4/p4q2/kr1P1n1p/p6r/PbRN3p/7b/4R1P1/5BK1 w - - 0 1)

Bohm, Ferenc

Magyar Sakkvilag, 1930

Q2B4/p4q2/kr1P1n1p/p6r/PbRN3p/7b/4R1P1/5BK1

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Rxc6#
      • 2.Qxc6#
  • Tries
    • 1.Rc7?
      • threat
        • 2.Qxa7#
      • 1...Rb7
        • 2.Qxb7#
      • 1...Qxc7!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Rxb6#
      • 1...Rxc6
        • 2.Qxc6#
      • 1...Qb7
        • 2.Re5#
      • 1...Qc7
        • 2.Re5#
      • 1...Rb5
        • 2.axb5#
      • 1...Bc5
        • 2.Re6#
      • 1...Sd5
        • 2.Rf2#
      • 1...Sd7
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);
      • Threat
        • QAR1(I),XP(j)
      • Vars
        • R(g);N_GUARD::QAB1(I),XR(g)
      • Refutation
        • Q(k);XR(F)
  • Actual
    • R(F);P_PINR(g)
    • Threat
      • R1(F),XR(g)
    • Vars
      • R(g);N_SPINR(g),OGATE,XR(F)::QAR2(I),XR(g)
      • Q(k);N_GUARD::B(A)+R(C)
      • R(e);OGATE::P(E),XR(e)
      • B(b);P_PINS(G),S_CUTR(e)::B(A)+R(C)
      • S(h);S_CUTQ(k),S_CUTR(e)::B(A)+R(C)
      • S(h);S_CUTB(a),S_CUTQ(k)::QAB(I)
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