MESON Chess Problem Database

Problem Display
PID: 150490 (8/3p4/3pk1K1/bR1NN2R/3pnP2/1n4p1/4r3/5b1Q w - - 0 1)

Paslack, Rainer

6th HM., Die Schwalbe, 2013

8/3p4/3pk1K1/bR1NN2R/3pnP2/1n4p1/4r3/5b1Q

#2

7 + 10

23 Die Schwalbe 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Rg2
      • 2.Qh3#
    • 1...Bh3
      • 2.Qxh3#
    • 1...g2
      • 2.Qh3#
  • Tries
    • 1.Sd3?
      • threat
        • 2.f5#
      • 1...Rf2
        • 2.Qxe4#
      • 1...Bh3
        • 2.Qxh3#
      • 1...Sbc5!
    • 1.Sc4?
      • threat
        • 2.f5#
      • 1...Rf2
        • 2.Qxe4#
      • 1...Bh3
        • 2.Qxh3#
      • 1...Sbc5!
    • 1.Sg4?
      • threat
        • 2.f5#
      • 1...Rf2
        • 2.Qxe4#
      • 1...Sbc5!
    • 1.Sc6?
      • threat
        • 2.f5#
      • 1...Sbc5
        • 2.Sxd4#
      • 1...Rf2
        • 2.Qxe4#
      • 1...Bh3
        • 2.Qxh3#
      • 1...dxc6!
    • 1.Sf7?
      • threat
        • 2.f5#
      • 1...Rf2
        • 2.Qxe4#
      • 1...Bh3
        • 2.Qxh3#
      • 1...Sbc5!
  • Keys
    • 1.Sf3!
      • threat
        • 2.f5#
      • 1...Bh3
        • 2.Qxh3#
      • 1...Sbc5
        • 2.Sxd4#
      • 1...Sec5
        • 2.Sg5#

There are these afters: 151325

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(b);S_CUTB(a)::QAB(A)
    • B(a);N_GUARD::QAB(A),XB(a)
    • P(d);S_CUTB(a)::QAB(A)
  • Tries
    • Try
      • S(E);
      • Threat
        • P(B)
      • Vars
        • R(b);N_GUARD::QAR2(A),XS(f)
        • B(a);N_GUARD::QAB(A),XB(a)
      • Refutation
        • S(c);
    • Try
      • S(E);
      • Threat
        • P(B)
      • Vars
        • R(b);N_GUARD::QAR2(A),XS(f)
        • B(a);N_GUARD::QAB(A),XB(a)
      • Refutation
        • S(c);
    • Try
      • S(E);
      • Threat
        • P(B)
      • Vars
        • R(b);N_GUARD::QAR2(A),XS(f)
      • Refutation
        • S(c);
    • Try
      • S(E);
      • Threat
        • P(B)
      • Vars
        • S(c);N_GUARD::S(E),XP(e)
        • R(b);N_GUARD::QAR2(A),XS(f)
        • B(a);N_GUARD::QAB(A),XB(a)
      • Refutation
        • P(j);XS(E)
    • Try
      • S(E);
      • Threat
        • P(B)
      • Vars
        • R(b);N_GUARD::QAR2(A),XS(f)
        • B(a);N_GUARD::QAB(A),XB(a)
      • Refutation
        • S(c);
  • Actual
    • S(E);
    • Threat
      • P(B)
    • Vars
      • B(a);N_GUARD::QAB(A),XB(a)
      • S(c);N_GUARD::S(E),XP(e)
      • S(f);N_GUARD::S(E)
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