MESON Chess Problem Database

Problem Display
PID: 184799 (8/5Q2/3N1PN1/1p6/1P1k4/P7/6PB/2K5 w - - 0 1)

Balla, Zoltan

Magyar Sakklap, 1908

8/5Q2/3N1PN1/1p6/1P1k4/P7/6PB/2K5

#2

9 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Se5?
      • 1...Kc3
        • 2.Sxb5#
      • 1...Ke3!
    • 1.Qa2?
      • threat
        • 2.Qd2#
      • 1...Kd3
        • 2.Qd2#
      • 1...Ke3
        • 2.Qd2#
      • 1...Kc3!
    • 1.Qc4+?
      • 1...Ke3
        • 2.Bg1#
      • 1...bxc4!
    • 1.Qd5+?
      • 1...Kc3
        • 2.Se4#
        • 2.Sxb5#
        • 2.Be5#
      • 1...Ke3
        • 2.Qd2#
      • 1...Kxd5!
    • 1.Qe6?
      • 1...Kc3
        • 2.Qe3#
      • 1...Kd3!
    • 1.Qe8?
      • 1...Kc3
        • 2.Qe3#
      • 1...Kd5
        • 2.Qe4#
      • 1...Kd3!
    • 1.Qe7?
      • 1...Kc3
        • 2.Qe3#
      • 1...Kd5
        • 2.Qe4#
      • 1...Kd3!
  • Keys
    • 1.Sf4!
      • 1...Kc3
        • 2.Sxb5#
      • 1...Ke3
        • 2.Qa7#
      • 1...Ke5
        • 2.Se2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);
      • Vars
        • K(a);S_FLIGHT::S(F),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(I);
      • Threat
        • QAR2(I)
      • Vars
        • K(a);P-FLIGHT::QAR1(I)
        • K(a);S_FLIGHT::QAB1(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(I);CHECK
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • P(b);XQ(I)
    • Try
      • Q(I);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAB1(I)
      • Refutation
        • K(a);P-FLIGHT,XQ(I)
    • Try
      • Q(I);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(I);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
        • K(a);P-FLIGHT::QAB1(I)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(I);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
        • K(a);P-FLIGHT::QAB1(I)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(H);
    • Vars
      • K(a);S_FLIGHT::S(F),XP(b)
      • K(a);S_FLIGHT::QAB(I)
      • K(a);S_FLIGHT::B(C)+S(H)
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