MESON Chess Problem Database

Problem Display
PID: 56112 (5r2/4r3/2N1PPRn/5kpK/2BR1Pp1/qPN5/2bPP3/nQ6 w - - 0 1)

Tura, Waldemar

1st Prize, Szachy, 1962

5r2/4r3/2N1PPRn/5kpK/2BR1Pp1/qPN5/2bPP3/nQ6

#2

13 + 9

3747 FIDE Album (1962-1964) 1968

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.Sxe7#
    • 1...Qb2
      • 2.Sxe7#
    • 1...Qa2
      • 2.Sxe7#
    • 1...Qxb3
      • 2.Sxe7#
    • 1...Qa4
      • 2.Sxe7#
    • 1...Qa5
      • 2.Sxe7#
    • 1...Qa6
      • 2.Sxe7#
    • 1...Qa8
      • 2.Sxe7#
    • 1...Rxf6
      • 2.Rxg5#
    • 1...Bd3
      • 2.Qxd3#
    • 1...Be4
      • 2.Qxe4#
    • 1...Sxb3
      • 2.Qxc2#
  • Tries
    • 1.Sd5?
      • threat
        • 2.Se3#
      • 1...Kxe6
        • 2.Se3#
        • 2.Sdxe7#
      • 1...Qxb3
        • 2.Sdxe7#
      • 1...Rxe6
        • 2.Rxg5#
      • 1...Be4
        • 2.Qxe4#
      • 1...gxf4!
    • 1.e4+?
      • 1...Bxe4
        • 2.Qxe4#
      • 1...Kxf4!
  • Keys
    • 1.Se4!
      • threat
        • 2.Sg3#
      • 1...Kxf4
        • 2.Qf1#
      • 1...Qxb3
        • 2.Sd6#
      • 1...Bxe4
        • 2.Qxe4#
      • 1...gxf4
        • 2.Rg5#
      • 1...g3
        • 2.Sxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 10
  • Sets
    • Q(c);N_GUARD::S(J),XR(h)
    • Q(c);N_GUARD,XP(D)::S(J),XR(h)
    • R(i);SBLOCK,XP(L)::R1(M),XP(f)
    • B(b);OGATE::QAB(A),XB(b)
    • B(b);OGATE::QAB1(A),XB(b)
    • S(a);N_GUARD,XP(D)::QAB(A),XB(b)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • Q(c);N_GUARD,XP(D)::S(E),XR(h)
        • R(h);SBLOCK,XP(K)::R1(M),XP(f)
        • B(b);OGATE::QAB1(A),XB(b)
      • Refutation
        • P(f);XP(H)
    • Try
      • P(C);CHECK,N_PINB(b)
      • Vars
        • B(b);OGATE,P_SPINB(b),XP(C)::QAB1(A),XB(b)
      • Refutation
        • K(e);P-FLIGHT,XP(H)
  • Actual
    • S(E);N_PINB(b)
    • Threat
      • S(E)
    • Vars
      • K(e);OGATEB,P-FLIGHT,XP(H)::QAR(A)
      • Q(c);N_GUARD,XP(D)::S(E)
      • B(b);OGATE,P_SPINB(b),XS(E)::QAB1(A),XB(b)
      • P(f);SBLOCK,XP(H)::R1(M)
      • P(d);::S(E),XP(d)
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