MESON Chess Problem Database

Problem Display
PID: 203570 (8/5p2/5p2/1p2pP2/bpkPK3/4Q3/1np1N3/2N5 w - - 0 1)

Hertmann, Sandor

Nepszava, 1924

8/5p2/5p2/1p2pP2/bpkPK3/4Q3/1np1N3/2N5

#2

6 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bb3
      • 2.Qxb3#
    • 1...Sd1
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
    • 1...b3
      • 2.Qc3#
    • 1...exd4
      • 2.Qxd4#
  • Tries
    • 1.Sg1?
      • 1...exd4
        • 2.Qxd4#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Bb3
        • 2.Qxb3#
      • 1...Sd1
        • 2.Qd3#
      • 1...b3!
    • 1.Sg3?
      • 1...exd4
        • 2.Qxd4#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Bb3
        • 2.Qxb3#
      • 1...Sd1
        • 2.Qd3#
      • 1...b3!
    • 1.Qd2?
      • 1...exd4
        • 2.Qxd4#
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...b3
        • 2.Qc3#
      • 1...Bb3!
    • 1.Qf3?
      • 1...b3
        • 2.Qc3#
      • 1...Bb3
        • 2.Qxb3#
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...exd4!
    • 1.Qh3?
      • 1...b3
        • 2.Qc3#
      • 1...Bb3
        • 2.Qxb3#
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...exd4!
  • Keys
    • 1.Qg3!
      • 1...exd4
        • 2.Qc7#
      • 1...b3
        • 2.Qc3#
      • 1...Bb3
        • 2.Qxb3#
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD::QAB1(C),XB(c)
    • S(a);N_GUARD::QAB1(C)
    • S(a);N_GUARD::QAB1(C),XS(a)
    • P(d);N_GUARD::QAR1(C)
    • P(g);OGATE,XP(D)::QAR1(C),XP(g)
  • Tries
    • Try
      • S(B);
      • Vars
        • P(g);OGATE,XP(D)::QAR1(C),XP(g)
        • S(a);N_GUARD::QAB1(C),XS(a)
        • B(c);N_GUARD::QAB1(C),XB(c)
        • S(a);N_GUARD::QAB1(C)
      • Refutation
        • P(d);
    • Try
      • S(B);
      • Vars
        • P(g);OGATE,XP(D)::QAR1(C),XP(g)
        • S(a);N_GUARD::QAB1(C),XS(a)
        • B(c);N_GUARD::QAB1(C),XB(c)
        • S(a);N_GUARD::QAB1(C)
      • Refutation
        • P(d);
    • Try
      • Q(C);
      • Vars
        • P(g);OGATE,XP(D)::QAR1(C),XP(g)
        • S(a);N_GUARD::QAB1(C)
        • S(a);N_GUARD::QAB1(C),XS(a)
        • P(d);N_GUARD::QAR1(C)
      • Refutation
        • B(c);
    • Try
      • Q(C);
      • Vars
        • P(d);N_GUARD::QAR1(C)
        • B(c);N_GUARD::QAB1(C),XB(c)
        • S(a);N_GUARD::QAB1(C)
        • S(a);N_GUARD::QAB1(C),XS(a)
      • Refutation
        • P(g);XP(D)
    • Try
      • Q(C);
      • Vars
        • P(d);N_GUARD::QAR1(C)
        • B(c);N_GUARD::QAB1(C),XB(c)
        • S(a);N_GUARD::QAB1(C)
        • S(a);N_GUARD::QAB1(C),XS(a)
      • Refutation
        • P(g);XP(D)
  • Actual
    • Q(C);
    • Vars
      • P(g);OGATE,XP(D)::QAR(C)
      • P(d);N_GUARD::QAR1(C)
      • B(c);N_GUARD::QAB1(C),XB(c)
      • S(a);N_GUARD::QAB1(C)
      • S(a);N_GUARD::QAB1(C),XS(a)
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