MESON Chess Problem Database

Problem Display
PID: 99062 (B1K1b3/3n2q1/PpP1N3/1k6/RN1p2nr/2p1p3/Q6b/1r6 w - - 0 1)

Bruch, Wieland

Sakkelet, 1991

B1K1b3/3n2q1/PpP1N3/1k6/RN1p2nr/2p1p3/Q6b/1r6

#2

8 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sc2?
      • threat
        • 2.Qc4#
      • 1...Rb3
        • 2.Qxb3#
      • 1...Rb4
        • 2.Rxb4#
      • 1...Sde5
        • 2.Scxd4#
      • 1...Sge5!
    • 1.Sd5?
      • threat
        • 2.Qc4#
      • 1...Rb3
        • 2.Qxb3#
      • 1...Rb4
        • 2.Rxb4#
      • 1...Sge5
        • 2.Sdc7#
      • 1...Sde5!
    • 1.Sxd4+?
      • 1...Kc5
        • 2.Qd5#
      • 1...Qxd4!
    • 1.Sc7+?
      • 1...Kc5
        • 2.Qd5#
      • 1...Bxc7!
    • 1.Ra5+?
      • 1...Kxb4
        • 2.Qa4#
      • 1...bxa5!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Qc4#
      • 1...Rb3
        • 2.Qxb3#
      • 1...Rb4
        • 2.Rxb4#
      • 1...Sge5
        • 2.Sc7#
      • 1...Sde5
        • 2.Sxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(A)
      • Vars
        • R(a);N_GUARD::QAR2(A),XR(a)
        • R(a);N_GUARD::R1(B),XR(a)
        • S(j);S_CUTQ(k)::S(C),XP(e)
      • Refutation
        • S(f);
    • Try
      • S(C);
      • Threat
        • QAB1(A)
      • Vars
        • R(a);N_GUARD::QAR2(A),XR(a)
        • R(a);N_GUARD::R1(B),XR(a)
        • S(f);S_CUTB(b)::S(C)
      • Refutation
        • S(j);
    • Try
      • S(F);CHECK,XP(e)
      • Vars
        • K(h);P-FLIGHT::QAR1(A)
      • Refutation
        • Q(k);XS(F)
    • Try
      • S(F);CHECK
      • Vars
        • K(h);P-FLIGHT::QAR1(A)
      • Refutation
        • B(b);XS(F)
    • Try
      • R(B);CHECK
      • Vars
        • K(h);P-FLIGHT,XS(C)::QAR1(A)
      • Refutation
        • P(i);XR(B)
  • Actual
    • S(C);
    • Threat
      • QAB1(A)
    • Vars
      • R(a);N_GUARD::QAR2(A),XR(a)
      • R(a);N_GUARD::R1(B),XR(a)
      • S(f);S_CUTB(b)::S(F)
      • S(j);S_CUTQ(k)::S(F),XP(e)
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Developed and maintained by Brian Stephenson.
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