MESON Chess Problem Database

Problem Display
PID: 110565 (b3N3/b7/rQ1Rp3/1p2kp2/3n1p2/5P2/2B2K2/3R4 w - - 0 1)

Szoghy, Jozsef

Tipografia TE, 1969

b3N3/b7/rQ1Rp3/1p2kp2/3n1p2/5P2/2B2K2/3R4

#2

7 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bb8
      • 2.Qxd4#
    • 1...Sxc2
      • 2.Rxe6#
    • 1...Se2
      • 2.Rxe6#
    • 1...Sb3
      • 2.Rxe6#
    • 1...Sxf3
      • 2.Rxe6#
    • 1...Sc6
      • 2.Re1#
  • Tries
    • 1.Rxe6+?
      • 1...Kd5
        • 2.Bb3#
        • 2.Rxd4#
      • 1...Sxe6!
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qg7#
      • 1...Sxc2+
        • 2.Rb6#
      • 1...Se2+
        • 2.Rb6#
      • 1...Sb3+
        • 2.Rb6#
      • 1...Sxf3+
        • 2.Rb6#
      • 1...Sc6+
        • 2.R6d4#
      • 1...Rxd6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 5
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(h);N_GUARD::QAB1(E),XS(a)
    • S(a);N_GUARD,P_PINQ(E),XB(B)::R1(F),XP(g)
    • S(a);N_GUARD,P_PINQ(E)::R1(F),XP(g)
    • S(a);N_GUARD,P_PINQ(E),XP(D)::R1(F),XP(g)
    • S(a);N_GUARD,P_PINQ(E),S_CUTB(i)::R(A)
  • Tries
    • Try
      • R(F);CHECK,XP(g)
      • Refutation
        • S(a);P_PINQ(E),XR(F)
  • Actual
    • Q(E);
    • Threat
      • QAB(E)
    • Vars
      • S(a);CHECK,XB(B)::QAB(E)+R(F)
      • S(a);CHECK::QAB(E)+R(F)
      • S(a);CHECK,XP(D)::QAB(E)+R(F)
      • S(a);CHECK,S_CUTR(f)::QAB(E)+R(F)
      • R(f);OGATE,P_SPINR(f),XR(F)::QAB1(E),XR(f)
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