MESON Chess Problem Database

Problem Display
PID: 53792 (1bR1N3/2nB2Bp/p2p2rR/1ppk1P2/3p4/3P1P2/3N4/KQ6 w - - 0 1)

Patz, William

The Chess Review, 1935

1bR1N3/2nB2Bp/p2p2rR/1ppk1P2/3p4/3P1P2/3N4/KQ6

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Rxd6#
    • 1...Rg2
      • 2.Rxd6#
    • 1...Rg3
      • 2.Rxd6#
    • 1...Rg4
      • 2.Rxd6#
    • 1...Rg5
      • 2.Rxd6#
    • 1...Ba7
      • 2.Sxc7#
    • 1...Se6
      • 2.Bc6#
    • 1...Sa8
      • 2.Bc6#
    • 1...Sxe8
      • 2.Bc6#
  • Tries
    • 1.fxg6?
      • threat
        • 2.Rh5#
      • 1...Se6
        • 2.Bc6#
      • 1...hxg6!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sb6#
      • 1...Rxg7
        • 2.Sf6#
        • 2.Rxd6#
      • 1...bxc4
        • 2.Qb7#
      • 1...Rf6
        • 2.Sxf6#
      • 1...Ba7
        • 2.Sxc7#
      • 1...Sa8
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • R(g);OGATE,P_PINQ(B)::R1(G),XP(f)
    • R(g);OGATE::R1(G),XP(f)
    • B(j);N_GUARD::S(K),XS(h)
    • S(h);::B(H)
    • S(h);XS(K)::B(H)
  • Tries
    • Try
      • P(F);XR(g)
      • Threat
        • R(G)
      • Vars
        • S(h);SBLOCK::B(H)
      • Refutation
        • P(i);XP(F)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • P(b);OGATE,XS(C)::QAB(B)
      • R(g);N_GUARD::S(K),XR(g)
      • B(j);N_GUARD::S(K),XS(h)
      • S(h);::B(H)
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