MESON Chess Problem Database

Problem Display
PID: 64462 (8/B1p5/1pP3N1/6p1/Q5P1/4N2P/2pP1kP1/2K2B1R w - - 0 1)

Retter, Yosef

1st HM., Israel Ring Ty., 1982

8/B1p5/1pP3N1/6p1/Q5P1/4N2P/2pP1kP1/2K2B1R

#2

12 + 5

3752 FIDE Album (1980-1982) 1988

SOLUTION

  • SOUND
  • Tries
    • 1.Bxb6?
      • 1...Ke1
        • 2.Sxc2#
      • 1...Kg3
        • 2.Sf5#
      • 1...cxb6!
    • 1.Qb3?
      • 1...Kg3
        • 2.Sd1#
      • 1...b5
        • 2.Sxc2#
      • 1...Ke1!
    • 1.Qb5?
      • 1...Ke1
        • 2.Qe2#
      • 1...Kg3!
    • 1.Qa3?
      • 1...Kg3
        • 2.Sd1#
      • 1...b5
        • 2.Sxc2#
      • 1...Ke1!
    • 1.Qd4?
      • 1...Ke1
        • 2.Sxc2#
      • 1...Kg3
        • 2.Sf5#
      • 1...b5!
    • 1.Qf4+?
      • 1...Ke1
        • 2.Sxc2#
        • 2.Bd3#
        • 2.Bc4#
        • 2.Bb5#
        • 2.Ba6#
        • 2.Qg3#
      • 1...gxf4!
  • Keys
    • 1.Qe4!
      • 1...Ke1
        • 2.Sd1#
      • 1...Kg3
        • 2.Qf3#
      • 1...b5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(L);XP(d)
      • Vars
        • K(b);S_FLIGHT::S(F),XP(a)
        • K(b);S_FLIGHT::S(F)
      • Refutation
        • P(e);XB(L)
    • Try
      • Q(H);
      • Vars
        • K(b);S_FLIGHT::QAR(H)+S(F)
        • P(d);::B(L)+S(F),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(b);S_FLIGHT::QAR1(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(b);S_FLIGHT::QAR(H)+S(F)
        • P(d);::B(L)+S(F),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(b);S_FLIGHT::S(F),XP(a)
        • K(b);S_FLIGHT::S(F)
      • Refutation
        • P(d);
    • Try
      • Q(H);CHECK
      • Refutation
        • P(c);XQ(H)
  • Actual
    • Q(H);
    • Vars
      • K(b);S_FLIGHT::QAR(H)+S(F)
      • K(b);S_FLIGHT::QAR1(H)
      • P(d);::B(L)+S(F)
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