MESON Chess Problem Database

Problem Display
PID: 206701 (4RBN1/1p1p2p1/1p2b1B1/1P1Nk3/2K5/2P5/8/8 w - - 0 1)

Wrobel, Marian

Magyar Sakkvilag, 1925

4RBN1/1p1p2p1/1p2b1B1/1P1Nk3/2K5/2P5/8/8

#2

8 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...d6
      • 2.Bxg7#
  • Tries
    • 1.Sf6?
      • threat
        • 2.Sg4#
        • 2.Sxd7#
      • 1...d6
        • 2.Sg4#
        • 2.Sd7#
      • 1...gxf6!
    • 1.Bc5?
      • 1...d6
        • 2.Bd4#
      • 1...bxc5!
    • 1.Re7?
      • 1...d6
        • 2.Bxg7#
      • 1...Kd6!
  • Keys
    • 1.Se7!
      • 1...Bxd5+
        • 2.Sxd5#
      • 1...Kd6
        • 2.Sc6#
      • 1...Bh3
        • 2.Sf5#
        • 2.Sc6#
      • 1...Bg4
        • 2.Sf5#
        • 2.Sc6#
      • 1...Bf5
        • 2.Sxf5#
        • 2.Sc6#
      • 1...Bf7
        • 2.Sc6#
      • 1...Bg8
        • 2.Sc6#
        • 2.Sxg8#
      • 1...d6
        • 2.Bxg7#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(e);SBLOCK::B(G),XP(f)
  • Tries
    • Try
      • S(H);
      • Threat
        • DUALS(2)
      • Refutation
        • P(f);XS(H)
    • Try
      • B(G);
      • Vars
        • P(e);SBLOCK::B(G)
      • Refutation
        • P(b);XB(G)
    • Try
      • R(F);
      • Vars
        • P(e);SBLOCK::B(G),XP(f)
      • Refutation
        • K(a);N_SPINB(c),S_FLIGHT
  • Actual
    • S(H);N_PINB(c)
    • Vars
      • B(c);CHECK,XS(D)::R(F)+S(H),XB(c)
      • K(a);S_FLIGHT::B(G)+S(H)
      • B(c);::R(F)+S(H),DCHECK
      • P(e);SBLOCK::B(G),XP(f)
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