MESON Chess Problem Database

Problem Display
PID: 144416 (1K1Q4/2N2pn1/pN1P4/Rq2kpP1/4n3/4B1P1/8/4R3 w - - 0 1)

Fleck, Ferenc

HM., Budapesti Sakkor, 1930-1931

1K1Q4/2N2pn1/pN1P4/Rq2kpP1/4n3/4B1P1/8/4R3

#2

10 + 7

38 Magyar Sakkvilag 1931

SOLUTION

  • SOUND
  • Sets
    • 1...Qxa5
      • 2.Sc4#
    • 1...Qc5
      • 2.Sc4#
    • 1...Qd5
      • 2.Sc4#
      • 2.Rxd5#
    • 1...Sf2
      • 2.Bxf2#
    • 1...Sh5
      • 2.Qe7#
    • 1...Se8
      • 2.Qe7#
  • Tries
    • 1.Bg1?
      • threat
        • 2.Qf6#
      • 1...Sh5
        • 2.Qe7#
      • 1...Se8
        • 2.Qe7#
      • 1...f6
        • 2.Qxf6#
      • 1...Se6!
    • 1.Bf2?
      • threat
        • 2.Qf6#
      • 1...Sh5
        • 2.Qe7#
      • 1...Se8
        • 2.Qe7#
      • 1...f6
        • 2.Qxf6#
      • 1...Se6!
    • 1.Rxb5+?
      • 1...Sc5
        • 2.Bg1#
        • 2.Bf2#
        • 2.Bxc5#
      • 1...axb5!
  • Keys
    • 1.Bc5!
      • threat
        • 2.Qf6#
      • 1...Qxb6+
        • 2.Bxb6#
      • 1...Qe2
        • 2.Sd7#
      • 1...Qe8
        • 2.Sc4#
      • 1...Sh5
        • 2.Qe7#
      • 1...Se8
        • 2.Qe7#
      • 1...f6
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • Q(b);N_PINS(F),N_SPINQ(b),XR(D)::S(F)
    • Q(b);N_PINS(F)::S(F)
    • S(a);OGATEB::R(A)+B(B),XS(a)
    • S(g);N_GUARD::QAR2(J)
  • Tries
    • Try
      • B(B);P_PINS(a)
      • Threat
        • QAB1(J)
      • Vars
        • S(g);N_GUARD::QAR2(J)
        • P(f);::QAB1(J),XP(f)
      • Refutation
        • S(g);
    • Try
      • B(B);P_PINS(a)
      • Threat
        • QAB1(J)
      • Vars
        • S(g);N_GUARD::QAR2(J)
        • P(f);::QAB1(J),XP(f)
      • Refutation
        • S(g);
    • Try
      • R(D);CHECK,N_SPINS(F),XQ(b)
      • Refutation
        • P(e);XR(D)
  • Actual
    • B(B);N_PINQ(b),P_PINS(a)
    • Threat
      • QAB1(J)
    • Vars
      • Q(b);CHECK,OGATE,XS(F)::R(D)+B(B),XQ(b)
      • Q(b);N_PINS(F),N_SPINS(a)::S(F)
      • Q(b);N_PINS(F),P_PINQ(J)::S(F)
      • S(g);N_GUARD::QAR2(J)
      • P(f);::QAB1(J),XP(f)
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