MESON Chess Problem Database

Problem Display
PID: 106254 (2r3B1/n3Q3/K5p1/Pp1P4/2kN1b2/R1P4R/N3P3/1qn3B1 w - - 0 1)

Szoghy, Jozsef

Karacsonyi lap, 1967

2r3B1/n3Q3/K5p1/Pp1P4/2kN1b2/R1P4R/N3P3/1qn3B1

#2

12 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qxa2
      • 2.Qb4#
    • 1...Qc2
      • 2.Qb4#
    • 1...Qd3
      • 2.Qb4#
    • 1...Qe4
      • 2.Qb4#
    • 1...Qf5
      • 2.Qb4#
    • 1...Qa1
      • 2.Qb4#
    • 1...Qb4
      • 2.Qxb4#
    • 1...Rc6+
      • 2.dxc6#
    • 1...Sb3
      • 2.Qb4#
  • Tries
    • 1.Sb3?
      • threat
        • 2.Qb4#
      • 1...Rc6+
        • 2.dxc6#
      • 1...Qxb3
        • 2.Qe4#
      • 1...Rxg8
        • 2.Qc5#
      • 1...Rc5
        • 2.Qxc5#
      • 1...Bd6
        • 2.Sd2#
      • 1...Sd3
        • 2.Qe4#
      • 1...Sc6
        • 2.Qc5#
      • 1...b4
        • 2.Qxb4#
      • 1...Sxa2!
    • 1.Sc6?
      • threat
        • 2.Qc5#
      • 1...Rxc6+
        • 2.dxc6#
      • 1...Qb4
        • 2.Qxb4#
        • 2.Qe4#
      • 1...Be3
        • 2.Se5#
      • 1...Sb3
        • 2.Qb4#
      • 1...Sd3
        • 2.Qe4#
      • 1...Bd6!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Qe4#
      • 1...Rc6+
        • 2.dxc6#
      • 1...Qxc2
        • 2.Qb4#
      • 1...Sxe2
        • 2.Qxe2#
      • 1...Re8
        • 2.Qc5#
      • 1...Be3
        • 2.Sxe3#
      • 1...Be5
        • 2.Se3#
      • 1...Sb3
        • 2.Qb4#
      • 1...Sc6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 6
  • Sets
    • Q(a);N_GUARD,XS(B)::QAR1(K)
    • Q(a);N_GUARD::QAR1(K)
    • Q(a);N_GUARD::QAR1(K),XQ(a)
    • R(h);CHECK,OGATE::B(L)+P(I),XR(h)
    • S(b);S_CUTQ(a)::QAR1(K)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAR1(K)
      • Vars
        • R(h);CHECK,OGATE::B(L)+P(I),XR(h)
        • Q(a);N_GUARD,XS(G)::QAR2(K)
        • R(h);N_GUARD,XB(L)::QAR1(K)
        • R(h);N_GUARD::QAR1(K),XR(h)
        • B(d);N_GUARD::S(G)
        • S(b);S_CUTQ(a)::QAR2(K)
        • S(g);S_CUTR(h)::QAR1(K)
        • P(e);::QAR1(K),XP(e)
      • Refutation
        • S(b);XS(B)
    • Try
      • S(G);
      • Threat
        • QAR1(K)
      • Vars
        • R(h);CHECK,OGATE,XS(G)::B(L)+P(I),XR(h)
        • B(d);N_GUARD::S(G)
        • S(b);S_CUTQ(a)::QAR1(K)
        • S(b);S_CUTQ(a)::QAR2(K)
      • Refutation
        • B(d);
  • Actual
    • S(G);
    • Threat
      • QAR2(K)
    • Vars
      • R(h);CHECK,OGATE::B(L)+P(I),XR(h)
      • Q(a);N_GUARD,XS(G)::QAR1(K)
      • S(b);OGATE,XP(C)::QAB(K),XS(b)
      • R(h);N_GUARD::QAR1(K)
      • B(d);N_GUARD::S(G),XB(d)
      • B(d);N_GUARD::S(G)
      • S(b);S_CUTQ(a)::QAR1(K)
      • S(g);S_CUTR(h)::QAR1(K)
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