MESON Chess Problem Database

Problem Display
PID: 84517 (8/8/8/2K5/b3p3/2k5/2P5/1RQ5 w - - 0 1)

Szwedowski, Leopold Mieczyslaw

Gama Ty., 1993

8/8/8/2K5/b3p3/2k5/2P5/1RQ5

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bb3
      • 2.Rxb3#
    • 1...Bb5
      • 2.Rb3#
    • 1...Bc6
      • 2.Rb3#
    • 1...Bd7
      • 2.Rb3#
    • 1...Be8
      • 2.Rb3#
  • Tries
    • 1.Rb2?
      • 1...Bxc2
        • 2.Qxc2#
      • 1...Bb3
        • 2.Rxb3#
      • 1...Bb5
        • 2.Rb3#
      • 1...Bc6
        • 2.Rb3#
      • 1...Bd7
        • 2.Rb3#
      • 1...Be8
        • 2.Rb3#
      • 1...e3!
    • 1.Rb4?
      • threat
        • 2.Rc4#
      • 1...Bb3
        • 2.Rxb3#
      • 1...Bb5
        • 2.Rb3#
      • 1...Bxc2!
  • Keys
    • 1.Qd1!
      • 1...Bxc2
        • 2.Qd4#
      • 1...e3
        • 2.Qd3#
      • 1...Bb3
        • 2.Rxb3#
      • 1...Bb5
        • 2.Rb3#
      • 1...Bc6
        • 2.Rb3#
      • 1...Bd7
        • 2.Rb3#
      • 1...Be8
        • 2.Rb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(b);N_GUARD::R1(A),XB(b)
    • B(b);N_GUARD::R1(A)
  • Tries
    • Try
      • R(A);
      • Vars
        • B(b);OGATE,P_SPINB(b),XP(C)::QAR1(B),XB(b)
        • B(b);N_GUARD::R1(A),XB(b)
        • B(b);N_GUARD::R1(A)
      • Refutation
        • P(c);
    • Try
      • R(A);
      • Threat
        • R1(A)
      • Vars
        • B(b);N_GUARD::R1(A),XB(b)
        • B(b);N_GUARD::R1(A)
      • Refutation
        • B(b);P_SPINB(b),XP(C)
  • Actual
    • Q(B);
    • Vars
      • B(b);SBLOCK,XP(C)::QAB1(B)
      • P(c);N_GUARD::QAR1(B)
      • B(b);N_GUARD::R1(A),XB(b)
      • B(b);N_GUARD::R1(A)
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