MESON Chess Problem Database

Problem Display
PID: 162856 (b4K2/4p3/2N3N1/8/5B2/2pP1kpP/1QR2bp1/4r1q1 w - - 0 1)

Togookhuu, Lkhundevin

Sachmatija, 2003

b4K2/4p3/2N3N1/8/5B2/2pP1kpP/1QR2bp1/4r1q1

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sce5#
    • 1...Rb1
      • 2.Sce5#
    • 1...Rc1
      • 2.Sce5#
    • 1...Rd1
      • 2.Sce5#
    • 1...Rf1
      • 2.Sce5#
    • 1...Re3
      • 2.Sd4#
    • 1...Re5
      • 2.Scxe5#
    • 1...Be3
      • 2.Sce5#
  • Tries
    • 1.Rxf2+?
      • 1...gxf2
        • 2.Sd4#
      • 1...Qxf2!
    • 1.Qb4?
      • threat
        • 2.Sh4#
      • 1...Re4
        • 2.Qxe4#
      • 1...Bd4!
    • 1.Qb7?
      • threat
        • 2.Sd4#
        • 2.Sce5#
      • 1...Re4
        • 2.Sce5#
      • 1...Re5
        • 2.Sd4#
        • 2.Scxe5#
      • 1...Bd4
        • 2.Sxd4#
        • 2.Sce5#
      • 1...e5
        • 2.Sd4#
        • 2.Scxe5#
      • 1...Bxb7!
    • 1.Qb8?
      • threat
        • 2.Sh4#
      • 1...Re5
        • 2.Scxe5#
      • 1...e5!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Sh4#
      • 1...Rxc1
        • 2.Sce5#
      • 1...Re3
        • 2.Sd4#
      • 1...Be3
        • 2.Sce5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • R(a);N_GUARD::S(F)
    • R(a);S_CUTB(c)::S(F)
    • R(a);N_GUARD::S(F),XR(a)
    • B(c);S_CUTR(a)::S(F)
  • Tries
    • Try
      • R(B);CHECK,XB(c)
      • Vars
        • P(g);XR(B)::S(F)
      • Refutation
        • Q(b);XR(B)
    • Try
      • Q(A);
      • Threat
        • S(G)
      • Vars
        • R(a);N_GUARD::QAB1(A),XR(a)
      • Refutation
        • B(c);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);::S(F)
      • Refutation
        • B(i);XQ(A)
    • Try
      • Q(A);
      • Threat
        • S(G)
      • Vars
        • R(a);N_GUARD::S(F),XR(a)
      • Refutation
        • P(h);
  • Actual
    • Q(A);
    • Threat
      • S(G)
    • Vars
      • R(a);N_GUARD,XQ(A)::S(F)
      • R(a);S_CUTB(c)::S(F)
      • B(c);S_CUTR(a)::S(F)
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