MESON Chess Problem Database

Problem Display
PID: 242733 (1q4B1/5N1R/3pN2R/P1pk4/Pp2p3/b7/1rQP3K/B7 w - - 0 1)

Bakcsi, Gyorgy

Sinfonie Scacchistiche, 1968

1q4B1/5N1R/3pN2R/P1pk4/Pp2p3/b7/1rQP3K/B7

#2

11 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4+?
      • 1...Kc6
        • 2.Se5#
      • 1...Kd4!
    • 1.Seg5?
      • threat
        • 2.Qxe4#
      • 1...Kd4
        • 2.Qxe4#
      • 1...Kc6
        • 2.Se5#
      • 1...Rxc2
        • 2.Sd8#
      • 1...Qe8
        • 2.Rxd6#
      • 1...e3
        • 2.Qe4#
      • 1...c4!
  • Keys
    • 1.Sfg5!
      • threat
        • 2.Qxe4#
      • 1...Ke5
        • 2.Qxe4#
      • 1...Kc6
        • 2.Sd4#
      • 1...Rxc2
        • 2.Sd8#
      • 1...e3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(f);P_SPINP(e),S_FLIGHT::S(I)
      • Refutation
        • K(f);P-FLIGHT,P_SPINR(a)
    • Try
      • S(G);
      • Threat
        • QAB1(B),XP(d)
      • Vars
        • K(f);P-FLIGHT,P_SPINR(a)::QAR1(B),XP(d)
        • K(f);P_SPINP(e),S_FLIGHT::S(I)
        • R(a);P_PINP(C),XQ(B)::B(K)+S(I)
        • Q(h);N_GUARD::R1(H),XP(g)
        • P(d);::QAB1(B)
      • Refutation
        • P(e);
  • Actual
    • S(I);
    • Threat
      • QAB1(B),XP(d)
    • Vars
      • K(f);P-FLIGHT,P_SPINR(a)::QAR1(B),XP(d)
      • K(f);P_SPINP(e),S_FLIGHT::S(G)
      • R(a);P_PINP(C),XQ(B)::B(K)+S(G)
      • P(d);::QAB1(B)
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Developed and maintained by Brian Stephenson.
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