MESON Chess Problem Database

Problem Display
PID: 58343 (8/2N5/3pp1n1/3P1pB1/1p1k4/1R1P3p/8/1KN1RB2 w - - 0 1)

Wiesel, Josef

Chess Life, 1959

8/2N5/3pp1n1/3P1pB1/1p1k4/1R1P3p/8/1KN1RB2

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Be3#
    • 1...Se5
      • 2.Be3#
    • 1...exd5
      • 2.Se6#
    • 1...e5
      • 2.Be3#
  • Tries
    • 1.Se2+?
      • 1...Kc5
        • 2.Be3#
      • 1...Ke5!
    • 1.Bh4?
      • threat
        • 2.Bf2#
      • 1...Kc5
        • 2.Bf2#
      • 1...Sxh4!
    • 1.Re4+?
      • 1...Kc5
        • 2.Be3#
      • 1...fxe4!
    • 1.Rxb4+?
      • 1...Kc3
        • 2.Sa2#
        • 2.Rc4#
      • 1...Kc5!
  • Keys
    • 1.Rc3!
      • threat
        • 2.Rc4#
      • 1...Kxc3
        • 2.Sb5#
      • 1...bxc3
        • 2.Sb3#
      • 1...exd5
        • 2.Sb5#
      • 1...Se5
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(c);S_FLIGHT::B(H)
    • S(g);SBLOCK::B(H)
    • P(f);SBLOCK,XP(G)::S(I)
    • P(f);SBLOCK::B(H)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(c);S_FLIGHT::B(H)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(H);
      • Threat
        • B(H)
      • Vars
        • K(c);S_FLIGHT::B(H)
      • Refutation
        • S(g);XB(H)
    • Try
      • R(C);CHECK
      • Vars
        • K(c);S_FLIGHT::B(H)
      • Refutation
        • P(d);XR(C)
    • Try
      • R(E);CHECK,XP(b)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(E);
    • Threat
      • R1(E)
    • Vars
      • K(c);S_FLIGHT,XR(E)::S(I)
      • P(b);SBLOCK,XR(E)::S(B)
      • P(f);SBLOCK,XP(G)::S(I)
      • S(g);SBLOCK::S(B)
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Developed and maintained by Brian Stephenson.
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