MESON Chess Problem Database

Problem Display
PID: 274198 (Bn1b1B2/1rP4K/2k2p2/2P2P1n/3R1p2/1P2NPp1/4Q1P1/8 w - - 0 1)

Tuhan-Baranowski, Leon (aka Wormatius)

Probleemblad, 1953

Bn1b1B2/1rP4K/2k2p2/2P2P1n/3R1p2/1P2NPp1/4Q1P1/8

#2

12 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Be7
      • 2.c8Q#
      • 2.c8R#
  • Tries
    • 1.Rd6+?
      • 1...Kxc5
        • 2.Qc4#
      • 1...Kxc7!
    • 1.Qb5+?
      • 1...Kxc7
        • 2.Qxb7#
      • 1...Kxb5!
    • 1.Qa6+?
      • 1...Kxc7
        • 2.Qxb7#
      • 1...Sxa6!
  • Keys
    • 1.Sd5!
      • 1...Kd7
        • 2.Qe6#
      • 1...Bxc7
        • 2.Sb4#
      • 1...Be7
        • 2.c8Q#
      • 1...Sg7
        • 2.cxb8S#
      • 1...Sa6
        • 2.Qe8#
      • 1...Sd7
        • 2.cxd8S#

This is a version

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(h);N_PINP(I)::P=Q
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(d);N_GUARD,N_SPINR(f),P-FLIGHT,XP(G)::QAR1(A)
      • Refutation
        • K(d);N_SPINR(f),P-FLIGHT,XP(I)
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);N_SPINR(f),P-FLIGHT,XP(I)::QAR1(A),XR(f)
      • Refutation
        • K(d);N_SPINR(f),S_FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);N_SPINR(f),P-FLIGHT,XP(I)::QAR1(A),XR(f)
      • Refutation
        • S(g);XQ(A)
  • Actual
    • S(D);
    • Vars
      • K(d);N_GUARD,N_PINP(I),N_SPINR(f),S_FLIGHT::QAB1(A)
      • B(h);SBLOCK,XP(I)::S(D)
      • B(h);N_PINP(I)::P=Q
      • S(c);N_PINP(I)::PXS(g)=S
      • S(g);N_GUARD::QAB(A)
      • S(g);N_PINP(I),SBLOCK::PXB(h)=S
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