MESON Chess Problem Database

Problem Display
PID: 174851 (b7/2K5/p2PN3/BNpp1Q2/Bnk1P1p1/1p6/pR1R4/r1r5 w - - 0 1)

Barth, Michael

Muller, Dieter

4th HM., Ples-600 JT, 2010

b7/2K5/p2PN3/BNpp1Q2/Bnk1P1p1/1p6/pR1R4/r1r5

#2

10 + 11

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Sa3#
    • 1...Sd3
      • 2.Sa3#
    • 1...Sc6
      • 2.Sa3#
      • 2.Qxd5#
    • 1...dxe4
      • 2.Qxc5#
    • 1...d4
      • 2.Qxc5#
  • Tries
    • 1.Kb6?
      • threat
        • 2.Bxb3#
      • 1...Rc3
        • 2.Sa3#
      • 1...axb5!
    • 1.Rxb3?
      • threat
        • 2.Sa3#
      • 1...Sc2
        • 2.Rc3#
      • 1...axb5!
    • 1.Qf1+?
      • 1...Sd3
        • 2.Sa3#
        • 2.Qxd3#
      • 1...Rxf1!
    • 1.Qf2?
      • threat
        • 2.Qxc5#
      • 1...Sd3
        • 2.Sa3#
      • 1...d4!
    • 1.Qf3?
      • threat
        • 2.Sa3#
        • 2.Qxb3#
      • 1...axb5
        • 2.Bxb3#
        • 2.Qxb3#
      • 1...Rc3
        • 2.Sa3#
        • 2.Qxc3#
      • 1...Sc2
        • 2.Qe2#
        • 2.Qxb3#
        • 2.Qc3#
        • 2.Qd3#
      • 1...Sd3
        • 2.Sa3#
        • 2.Qxd3#
      • 1...gxf3!
    • 1.Qf6?
      • threat
        • 2.Sa3#
      • 1...axb5
        • 2.Bxb3#
      • 1...Sc2
        • 2.Qc3#
      • 1...d4!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Sa3#
      • 1...axb5
        • 2.Bxb3#
      • 1...Sc2
        • 2.Qc3#
      • 1...d4
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(b);SBLOCK::S(F)
    • S(e);::S(F)
    • P(i);OGATE,XP(D)::QAR1(G),XP(h)
    • P(i);OGATE::QAR1(G),XP(h)
  • Tries
    • Try
      • K(J);S_FLIGHT
      • Threat
        • B(C),XP(d)
      • Vars
        • R(b);SBLOCK::S(F)
      • Refutation
        • P(j);XS(F)
    • Try
      • R(A);XP(d)
      • Threat
        • S(F)
      • Vars
        • S(e);S_CUTR(b)::R1(A)
      • Refutation
        • P(j);XS(F)
    • Try
      • Q(G);CHECK
      • Refutation
        • R(b);XQ(G)
    • Try
      • Q(G);
      • Threat
        • QAR1(G),XP(h)
      • Vars
        • S(e);::S(F)
      • Refutation
        • P(i);
    • Try
      • Q(G);
      • Threat
        • DUALS(2)
      • Refutation
        • P(g);XQ(G)
    • Try
      • Q(G);
      • Threat
        • S(F)
      • Vars
        • P(j);SBLOCK,XS(F)::B(C),XP(d)
        • S(e);S_CUTR(b)::QAR1(G)
      • Refutation
        • P(i);
  • Actual
    • Q(G);
    • Threat
      • S(F)
    • Vars
      • P(j);SBLOCK,XS(F)::B(C),XP(d)
      • S(e);S_CUTR(b)::QAR1(G)
      • P(i);OGATE::QAR1(G),XP(h)
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