MESON Chess Problem Database

Problem Display
PID: 58797 (8/8/8/5N2/1N4B1/8/1K1kp3/3b3Q w - - 0 1)

Gorislavski, Mikhail

2nd Prize, 64 Shakhmatnoe obozrenie TT, 1979

8/8/8/5N2/1N4B1/8/1K1kp3/3b3Q

#2

5 + 3

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Bc2
      • 2.Qc1#
    • 1...Bb3
      • 2.Qc1#
    • 1...Ba4
      • 2.Qc1#
    • 1...e1Q
      • 2.Qd5#
    • 1...e1S
      • 2.Qh6#
    • 1...e1B
      • 2.Qd5#
      • 2.Qh6#
    • 1...e1R
      • 2.Qd5#
  • Tries
    • 1.Se3?
      • threat
        • 2.Sc4#
      • 1...Bb3
        • 2.Qc1#
      • 1...Kxe3!
    • 1.Sd6?
      • threat
        • 2.Sc4#
      • 1...Bb3
        • 2.Qc1#
      • 1...Ke3!
    • 1.Bh5?
      • 1...e1Q
        • 2.Qd5#
      • 1...e1B
        • 2.Qd5#
      • 1...e1R
        • 2.Qd5#
      • 1...Bc2
        • 2.Qc1#
      • 1...Bb3
        • 2.Qc1#
      • 1...Ba4
        • 2.Qc1#
      • 1...e1S!
    • 1.Qg2?
      • 1...Bc2
        • 2.Qxe2#
      • 1...Bb3
        • 2.Qxe2#
      • 1...Ba4
        • 2.Qxe2#
      • 1...Ke1!
    • 1.Qf3?
      • threat
        • 2.Qc3#
      • 1...Bc2
        • 2.Qxe2#
      • 1...Bb3
        • 2.Qxe2#
      • 1...Ba4
        • 2.Qxe2#
      • 1...Ke1!
    • 1.Qe4?
      • 1...Bc2
        • 2.Qxe2#
      • 1...Bb3
        • 2.Qxe2#
      • 1...Ba4
        • 2.Qxe2#
      • 1...e1Q
        • 2.Qd3#
        • 2.Qd5#
        • 2.Qd4#
      • 1...e1S
        • 2.Qe3#
        • 2.Qf4#
      • 1...e1B
        • 2.Qd3#
        • 2.Qd5#
        • 2.Qe3#
        • 2.Qd4#
        • 2.Qf4#
      • 1...e1R
        • 2.Qd3#
        • 2.Qd5#
        • 2.Qd4#
      • 1...Ke1!
    • 1.Qh2?
      • 1...Bc2
        • 2.Qxe2#
      • 1...Bb3
        • 2.Qxe2#
      • 1...Ba4
        • 2.Qxe2#
      • 1...Ke1!
  • Keys
    • 1.Qg1!
      • 1...e1Q
        • 2.Qd4#
      • 1...e1S
        • 2.Qe3#
      • 1...e1B
        • 2.Qe3#
        • 2.Qd4#
      • 1...e1R
        • 2.Qd4#
      • 1...Bc2
        • 2.Qc1#
      • 1...Bb3
        • 2.Qc1#
      • 1...Ba4
        • 2.Qc1#

There are these versions: 63158

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE::QAB1(A)
    • P(c);SBLOCK::QAR(A)
    • P(c);SBLOCK::QAB(A)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • B(a);OGATE::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT,XS(E)
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • B(a);OGATE::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • P(c);SBLOCK::QAR(A)
        • B(a);OGATE::QAB1(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);P_PINP(c)
      • Vars
        • B(a);N_GUARD::QAR1(A),XP(c)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • B(a);N_GUARD::QAR1(A),XP(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • B(a);N_GUARD::QAR1(A),XP(c)
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT
    • Try
      • Q(A);P_PINP(c)
      • Vars
        • B(a);N_GUARD::QAR1(A),XP(c)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • P(c);SBLOCK::QAR2(A)
      • P(c);::QAB1(A)
      • B(a);OGATE::QAB1(A)
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