MESON Chess Problem Database

Problem Display
PID: 90131 (3K4/p7/1B2p1p1/R2P4/4kPQp/2nR3P/B1Pb4/3r1r1N w - - 0 1)

Tafferner, Jozsef

Die Schwalbe, 1949

3K4/p7/1B2p1p1/R2P4/4kPQp/2nR3P/B1Pb4/3r1r1N

#2

11 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Sf2#
    • 1...Rg1
      • 2.Sf2#
    • 1...Rf2
      • 2.Sxf2#
    • 1...Rxf4
      • 2.Qxe6#
    • 1...Be1
      • 2.Re3#
    • 1...Be3
      • 2.Rxe3#
    • 1...Bxf4
      • 2.Re3#
  • Keys
    • 1.dxe6!
      • threat
        • 2.Re5#
      • 1...Rxf4
        • 2.Sf2#
      • 1...Bxf4
        • 2.Qxg6#
      • 1...Sb5
        • 2.Bd5#
      • 1...Sd5
        • 2.Bxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • R(b);N_GUARD::S(A)
    • R(b);N_GUARD::S(A),XR(b)
    • R(b);P_SPINR(b),SBLOCK,XP(F)::QAR2(G),XP(g)
    • B(c);N_GUARD::R1(D)
    • B(c);N_GUARD::R1(D),XB(c)
    • B(c);N_GUARD,P_SPINB(c),XP(F)::R1(D)
  • Actual
    • P(I);XP(g)
    • Threat
      • R1(H)
    • Vars
      • R(b);N_GUARD,P_SPINR(b),XP(F)::S(A)
      • B(c);P_PINR(D),P_SPINB(c),SBLOCK,XP(F)::QAB(G),XP(h)
      • S(d);N_GUARD::B(B)
      • S(d);N_GUARD::B(B),XS(d)
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