MESON Chess Problem Database

Problem Display
PID: 189588 (8/4p3/4pbn1/1KP1k1r1/1N2PRp1/8/5PP1/3Q4 w - - 0 1)

Gold, Zsigmund

Magyar Sakkvilag, 1911

8/4p3/4pbn1/1KP1k1r1/1N2PRp1/8/5PP1/3Q4

#2

8 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Kc4?
      • threat
        • 2.Sd3#
      • 1...Sxf4
        • 2.Qd4#
      • 1...Kxf4!
    • 1.Qf3?
      • threat
        • 2.Sc6#
      • 1...Kd4
        • 2.Sc6#
      • 1...gxf3!
    • 1.Qc1?
      • threat
        • 2.Sc6#
      • 1...Kd4
        • 2.Qb2#
        • 2.Qa1#
      • 1...Sxf4!
    • 1.Qd4+?
      • 1...Kxf4
        • 2.Sd3#
      • 1...Kxd4!
    • 1.Qd5+?
      • 1...Kxf4
        • 2.Sd3#
      • 1...exd5!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Sd3#
      • 1...Kd4
        • 2.Qa1#
      • 1...Kxf4
        • 2.Sd3#
      • 1...Sxf4
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(G);S_FLIGHT
      • Threat
        • S(D)
      • Vars
        • S(f);SBLOCK,XR(F)::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT,XR(F)
    • Try
      • Q(A);
      • Threat
        • S(D)
      • Vars
        • K(b);P_PINP(H),S_FLIGHT::S(D)
      • Refutation
        • P(a);XQ(A)
    • Try
      • Q(A);
      • Threat
        • S(D)
      • Refutation
        • S(f);XR(F)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P_PINP(H),S_FLIGHT,XR(F)::S(D)
      • Refutation
        • K(b);P_PINP(H),S_FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT,XR(F)::S(D)
      • Refutation
        • P(d);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • S(D)
    • Vars
      • K(b);P_PINP(H),S_FLIGHT::QAB(A)
      • K(b);P_PINP(H),S_FLIGHT,XR(F)::S(D)
      • S(f);SBLOCK,XR(F)::S(D)
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