MESON Chess Problem Database

Problem Display
PID: 104622 (8/NpRB1P1b/1P3p1r/2BkPrPn/5bn1/1KpN1P2/1P6/8 w - - 0 1)

Tadic, Dusan

BIT, 2007

8/NpRB1P1b/1P3p1r/2BkPrPn/5bn1/1KpN1P2/1P6/8

#2

12 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5
      • 2.Sb4#
    • 1...Bxe5
      • 2.Sb4#
    • 1...Bg8
      • 2.fxg8Q#
      • 2.fxg8B#
    • 1...Sxe5
      • 2.Sb4#
    • 1...fxe5
      • 2.Sb4#
  • Tries
    • 1.Sb5?
      • threat
        • 2.Sxc3#
      • 1...Bxe5
        • 2.Sb4#
      • 1...cxb2
        • 2.Sc3#
      • 1...c2
        • 2.Sc3#
      • 1...Bd2!
    • 1.Sc6?
      • threat
        • 2.Scb4#
        • 2.Se7#
      • 1...Rxe5
        • 2.Scb4#
      • 1...bxc6!
    • 1.Bc6+?
      • 1...Ke6
        • 2.Re7#
        • 2.f8S#
      • 1...bxc6!
    • 1.bxc3?
      • threat
        • 2.c4#
      • 1...Sxe5
        • 2.Sb4#
      • 1...Se3!
    • 1.f8Q?
      • threat
        • 2.Qd6#
        • 2.Qf7#
      • 1...Rxe5
        • 2.Sb4#
        • 2.Qd6#
      • 1...Bxe5
        • 2.Sb4#
        • 2.Qf7#
      • 1...Sxe5
        • 2.Sb4#
        • 2.Qd6#
      • 1...fxe5
        • 2.Sb4#
      • 1...Bg6
        • 2.Qd6#
      • 1...Bg8
        • 2.Qd6#
        • 2.Qxg8#
      • 1...Sg7
        • 2.Qd6#
      • 1...fxg5!
  • Keys
    • 1.Sc8!
      • threat
        • 2.Se7#
      • 1...Rxe5
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • R(e);SBLOCK,XP(F)::S(C)
    • B(b);SBLOCK,XP(F)::S(C)
    • B(j);OGATE::PXB(j)=Q
    • S(c);SBLOCK,XP(F)::S(C)
    • P(g);SBLOCK,XP(F)::S(C)
  • Tries
    • Try
      • S(I);
      • Threat
        • S(I),XP(a)
      • Vars
        • B(b);SBLOCK,XP(F)::S(C)
        • P(a);XP(A)::S(I)
        • P(a);::S(I)
      • Refutation
        • B(b);
    • Try
      • S(I);
      • Threat
        • DUALS(2)
      • Vars
        • R(e);XP(F)::S(I)
      • Refutation
        • P(i);XS(I)
    • Try
      • B(K);CHECK
      • Refutation
        • P(i);XB(K)
    • Try
      • P(A);XP(a)
      • Threat
        • P(A)
      • Vars
        • S(c);SBLOCK,XP(F)::S(C)
      • Refutation
        • S(c);
    • Try
      • P(L);
      • Threat
        • DUALS(2)
      • Vars
        • P(g);SBLOCK,XP(F)::S(C)
        • B(j);::QAR1(L)
        • S(f);::QAR1(L)
      • Refutation
        • P(g);XP(G)
  • Actual
    • S(I);
    • Threat
      • S(I)
    • Vars
      • R(e);SBLOCK,XP(F)::S(C)
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