MESON Chess Problem Database

Problem Display
PID: 108282 (5K2/2R4B/4pN2/1P4p1/1P1k1qR1/1pN1p1B1/8/4Qb2 w - - 0 1)

Feher, Gyula

BCF 001. Ty., 1929-1930

5K2/2R4B/4pN2/1P4p1/1P1k1qR1/1pN1p1B1/8/4Qb2

#2

10 + 7

56 The Problemist 1930
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd1?
      • threat
        • 2.Qc3#
        • 2.Qxe3#
      • 1...Be2
        • 2.Qc3#
      • 1...e2
        • 2.Qc3#
      • 1...Ke5!
    • 1.Se2+?
      • 1...Bxe2
        • 2.Qc3#
      • 1...Ke5!
    • 1.Sd5?
      • threat
        • 2.Qc3#
        • 2.Qxe3#
      • 1...exd5
        • 2.Qc3#
      • 1...Be2
        • 2.Qc3#
      • 1...e2
        • 2.Qc3#
      • 1...Ke5!
    • 1.Bxf4?
      • threat
        • 2.Bh2#
        • 2.Bg3#
        • 2.Bd6#
        • 2.Qxe3#
      • 1...Be2
        • 2.Sxe2#
      • 1...Bg2
        • 2.Se2#
        • 2.Qd1#
        • 2.Qxe3#
      • 1...Bd3
        • 2.Qxe3#
      • 1...Bh3
        • 2.Se2#
        • 2.Qd1#
        • 2.Qxe3#
      • 1...e2
        • 2.Qd2#
        • 2.Qf2#
      • 1...e5
        • 2.Bxe3#
        • 2.Qxe3#
      • 1...gxf4!
  • Keys
    • 1.Se4!
      • threat
        • 2.Qc3#
      • 1...Qd6+
        • 2.Sxd6#
      • 1...Qxf6+
        • 2.Sxf6#
      • 1...Kd3
        • 2.Qd1#
      • 1...Ke5
        • 2.Qc3#
      • 1...Qxc7
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAB1(A)
        • P(c);::QAB1(A)
      • Refutation
        • K(d);P_SPINP(c),S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • B(a);XS(B)::QAB1(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(g);XS(B)::QAB1(A)
        • B(a);::QAB1(A)
        • P(c);::QAB1(A)
      • Refutation
        • K(d);P_SPINP(c),S_FLIGHT
    • Try
      • B(C);N_SPINS(G),XQ(e)
      • Threat
        • DUALS(4)
      • Vars
        • B(a);N_GUARD::S(B),XB(a)
        • B(a);::QAB1(A),XP(c)
      • Refutation
        • P(f);P_SPINP(f),XB(C)
  • Actual
    • S(B);N_PINQ(e)
    • Threat
      • QAB1(A)
    • Vars
      • Q(e);CHECK,N_PINS(G)::R(E)+S(B),XQ(e)
      • Q(e);CHECK,XS(G)::R(E)+S(B),XQ(e)
      • K(d);P-FLIGHT::QAR2(A)
      • K(d);P_SPINQ(e),S_FLIGHT::QAB(A)
      • Q(e);N_PINS(G),XR(H)::R(E)+S(B)
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