MESON Chess Problem Database

Problem Display
PID: 214973 (BR1n1B2/KPPbrp2/PQpkrp2/P1N1pP2/4P3/8/8/8 w - - 0 1)

Kovacs, Norbert

Neukomm, Gyula (Julius) R

Funkschach, 1926

BR1n1B2/KPPbrp2/PQpkrp2/P1N1pP2/4P3/8/8/8

#2

12 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bc8
      • 2.bxc8S#
    • 1...Be8
      • 2.c8S#
    • 1...Sxb7
      • 2.Sxb7#
  • Tries
    • 1.Sxd7?
      • 1...Kxd7
        • 2.Rxd8#
        • 2.cxd8Q#
        • 2.cxd8R#
      • 1...Sxb7!
    • 1.Bh6?
      • 1...Sxb7
        • 2.Sxb7#
      • 1...Bc8
        • 2.bxc8S#
      • 1...Be8
        • 2.c8S#
      • 1...Re8!
    • 1.Bg7?
      • 1...Sxb7
        • 2.Sxb7#
      • 1...Bc8
        • 2.bxc8S#
      • 1...Be8
        • 2.c8S#
      • 1...Re8!
    • 1.Rc8?
      • 1...Bxc8
        • 2.bxc8S#
      • 1...Sxb7
        • 2.Sxb7#
      • 1...Be8!
    • 1.c8Q?
      • threat
        • 2.Qxd7#
        • 2.Qcc7#
      • 1...Be8
        • 2.Qcc7#
      • 1...Bxc8!
  • Keys
    • 1.cxd8B!
      • threat
        • 2.Bc7#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • B(f);OGATE::PXB(f)=S
    • B(f);N_GUARD::P=S
    • S(i);XP(H)::S(C),XS(i)
  • Tries
    • Try
      • S(C);XB(f)
      • Refutation
        • S(i);XP(H)
    • Try
      • B(L);N_PINR(g)
      • Vars
        • S(i);XP(H)::S(C),XS(i)
        • B(f);OGATE::PXB(f)=S
        • B(f);N_GUARD::P=S
      • Refutation
        • R(g);
    • Try
      • B(L);N_PINR(g)
      • Vars
        • S(i);XP(H)::S(C),XS(i)
        • B(f);OGATE::PXB(f)=S
        • B(f);N_GUARD::P=S
      • Refutation
        • R(g);
    • Try
      • R(K);
      • Vars
        • B(f);OGATE,XR(K)::PXB(f)=S
        • S(i);XP(H)::S(C),XS(i)
      • Refutation
        • B(f);
    • Try
      • P(I);
      • Threat
        • DUALS(2)
      • Vars
        • B(f);P_PINP(H)::QAB1(I)
      • Refutation
        • B(f);P_PINP(H),XQ(I)
  • Actual
    • P(I);XS(i)
    • Threat
      • B(I)
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