MESON Chess Problem Database

Problem Display
PID: 23254 (2RR3n/1pQ2p1b/qp1P1B2/3k2N1/pp2pP2/1r3PK1/Bn2N1P1/3r4 w - - 0 1)

Szwedowski, Leopold Mieczyslaw

Comm., The Problemist, 1996/I

2RR3n/1pQ2p1b/qp1P1B2/3k2N1/pp2pP2/1r3PK1/Bn2N1P1/3r4

#2

12 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe2
      • 2.Qxb7#
    • 1...Qd3
      • 2.Qxb7#
    • 1...Qa5
      • 2.Qxb7#
    • 1...Sg6
      • 2.Qxf7#
    • 1...b5
      • 2.Qc5#
  • Tries
    • 1.Qc3?
      • threat
        • 2.Qe5#
      • 1...bxc3
        • 2.Sxc3#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Sd3
        • 2.Qd4#
      • 1...Sg6
        • 2.fxe4#
      • 1...Sc4!
  • Keys
    • 1.f5!
      • threat
        • 2.Sf4#
      • 1...Qxe2
        • 2.Qxb7#
      • 1...Sd3
        • 2.fxe4#
      • 1...Sg6
        • 2.Qxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • Q(h);N_GUARD,XS(B)::QAB(J),XP(j)
    • Q(h);N_GUARD::QAB(J),XP(j)
    • S(m);N_GUARD::QAB(J),XP(k)
    • P(i);N_GUARD::QAR1(J)
  • Tries
    • Try
      • Q(J);N_SPINP(D)
      • Threat
        • QAR1(J)
      • Vars
        • P(e);XQ(J)::S(B),XP(e)
        • R(a);N_GUARD::QAR1(J),XR(a)
        • S(b);S_CUTR(a)::QAR1(J)
        • S(m);S_CUTB(l)::P(D),XP(f)
      • Refutation
        • S(b);N_SPINR(c)
  • Actual
    • P(F);
    • Threat
      • S(B)
    • Vars
      • Q(h);N_GUARD,XS(B)::QAB(J),XP(j)
      • S(b);N_PINP(D)::P(D),XP(f)
      • S(m);N_GUARD::QAB(J),XP(k)
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Developed and maintained by Brian Stephenson.
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