MESON Chess Problem Database

Problem Display
PID: 6060 (3K1N1Q/b1B5/3R2B1/8/R3nk1P/6n1/b3PP2/2rr4 w - - 0 1)

Hajszeryk, Jozef J

3rd Prize, Shakhmatny Listok, 1926

3K1N1Q/b1B5/3R2B1/8/R3nk1P/6n1/b3PP2/2rr4

#2

10 + 7

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Sf1
      • 2.Rxe4#
    • 1...Sh1
      • 2.Rxe4#
    • 1...Sh5
      • 2.Rxe4#
  • Tries
    • 1.Qe5+?
      • 1...Kg4
        • 2.Qxg3#
      • 1...Kxe5!
    • 1.Qf6+?
      • 1...Sf5
        • 2.Qxf5#
      • 1...Kg4!
    • 1.Qh6+?
      • 1...Ke5
        • 2.Sd7#
        • 2.f4#
      • 1...Kg4!
  • Keys
    • 1.Qh5!
      • threat
        • 2.Qg5#
      • 1...Rxd6+
        • 2.Bxd6#
      • 1...Sxe2
        • 2.Rxe4#
        • 2.Qf5#
      • 1...Sxh5
        • 2.Rxe4#
      • 1...Sf5
        • 2.Qxf5#
      • 1...Rc4
        • 2.Se6#
      • 1...Rc5
        • 2.e3#
      • 1...Rd4
        • 2.e3#
      • 1...Rd5
        • 2.Se6#
      • 1...Bc4
        • 2.Rd4#
      • 1...Bd4
        • 2.Rf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 2
  • Sets
    • S(d);N_GUARD::R1(C),XS(e)
  • Tries
    • Try
      • Q(J);CHECK
      • Vars
        • K(f);OGATE,P-FLIGHT::QAR1(J),XS(d)
      • Refutation
        • K(f);N_SPINS(e),S_FLIGHT,XQ(J)
    • Try
      • Q(J);CHECK
      • Vars
        • S(d);N_GUARD::QAR1(J),XS(d)
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • Q(J);CHECK
      • Refutation
        • K(f);P-FLIGHT
  • Actual
    • Q(J);
    • Threat
      • QAB1(J)
    • Vars
      • R(b);CHECK,OGATE,P_SPINR(b),XR(E)::B(G),XR(b)
      • S(d);N_GUARD,XQ(J)::R1(C),XS(e)
      • S(d);N_GUARD::QAR1(J),XS(d)
      • R(a);N_SPINS(e),S_CUTB(c)::S(I)
      • R(a);S_CUTB(g)::P(A)
      • R(b);N_SPINS(e),S_CUTB(g)::P(A)
      • R(b);S_CUTB(c)::S(I)
      • B(c);N_SPINS(e),S_CUTR(a)::B(G)+R(E)
      • B(g);N_PINR(E),N_SPINS(e)::B(G)+R(E),DCHECK
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