MESON Chess Problem Database

Problem Display
PID: 198791 (8/8/8/4B1N1/8/p2pk1p1/R1b1p1Pp/4Q2K w - - 0 1)

Neukomm, Gyula (Julius) R

Deutsche Schachblatter, 1921

8/8/8/4B1N1/8/p2pk1p1/R1b1p1Pp/4Q2K

#2

6 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Qxg3#
    • 1...Bd1
      • 2.Qxg3#
    • 1...Bb3
      • 2.Qxg3#
    • 1...Ba4
      • 2.Qxg3#
    • 1...d2
      • 2.Qxg3#
  • Tries
    • 1.Ba1?
      • 1...d2
        • 2.Qxg3#
      • 1...Bb1
        • 2.Qxg3#
      • 1...Bd1
        • 2.Qxg3#
      • 1...Bb3
        • 2.Qxg3#
      • 1...Ba4
        • 2.Qxg3#
      • 1...Kf4!
    • 1.Bf6?
      • 1...d2
        • 2.Qxg3#
      • 1...Bb1
        • 2.Qxg3#
      • 1...Bd1
        • 2.Qxg3#
      • 1...Bb3
        • 2.Qxg3#
      • 1...Ba4
        • 2.Qxg3#
      • 1...Kf4!
    • 1.Bg7?
      • 1...d2
        • 2.Qxg3#
      • 1...Bb1
        • 2.Qxg3#
      • 1...Bd1
        • 2.Qxg3#
      • 1...Bb3
        • 2.Qxg3#
      • 1...Ba4
        • 2.Qxg3#
      • 1...Kf4!
    • 1.Bh8?
      • 1...d2
        • 2.Qxg3#
      • 1...Bb1
        • 2.Qxg3#
      • 1...Bd1
        • 2.Qxg3#
      • 1...Bb3
        • 2.Qxg3#
      • 1...Ba4
        • 2.Qxg3#
      • 1...Kf4!
    • 1.Qc3?
      • 1...e1Q+
        • 2.Qxe1#
      • 1...e1R+
        • 2.Qxe1#
      • 1...e1S
        • 2.Qxe1#
      • 1...e1B
        • 2.Qxe1#
      • 1...Bb1
        • 2.Qd4#
        • 2.Qc5#
      • 1...Bd1
        • 2.Qd4#
        • 2.Qc5#
      • 1...Bb3
        • 2.Qd4#
        • 2.Qc5#
      • 1...Ba4
        • 2.Qd4#
        • 2.Qc5#
      • 1...Kf2!
    • 1.Qb4?
      • threat
        • 2.Qf4#
      • 1...e1Q+
        • 2.Qxe1#
      • 1...e1R+
        • 2.Qxe1#
      • 1...e1S
        • 2.Qxe1#
      • 1...e1B
        • 2.Qxe1#
      • 1...d2
        • 2.Qd4#
      • 1...Kf2!
    • 1.Qc1+?
      • 1...Kf2
        • 2.Sh3#
        • 2.Se4#
        • 2.Bd4#
      • 1...d2!
  • Keys
    • 1.Qa1!
      • 1...e1Q+
        • 2.Qxe1#
      • 1...e1R+
        • 2.Qxe1#
      • 1...Kd2
        • 2.Bf4#
      • 1...Kf2
        • 2.Bd4#
      • 1...e1S
        • 2.Qxe1#
      • 1...e1B
        • 2.Qxe1#
      • 1...Bb1
        • 2.Qd4#
      • 1...Bd1
        • 2.Qd4#
      • 1...Bb3
        • 2.Qd4#
      • 1...Ba4
        • 2.Qd4#
      • 1...d2
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 5
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(a);::QAR2(A),XP(g)
    • P(e);SBLOCK::QAR2(A),XP(g)
  • Tries
    • Try
      • B(E);
      • Vars
        • P(e);SBLOCK::QAR2(A),XP(g)
        • B(a);::QAR2(A),XP(g)
      • Refutation
        • K(f);N_SPINP(b),S_FLIGHT
    • Try
      • B(E);
      • Vars
        • P(e);SBLOCK::QAR2(A),XP(g)
        • B(a);::QAR2(A),XP(g)
      • Refutation
        • K(f);N_SPINP(b),S_FLIGHT
    • Try
      • B(E);
      • Vars
        • P(e);SBLOCK::QAR2(A),XP(g)
        • B(a);::QAR2(A),XP(g)
      • Refutation
        • K(f);N_SPINP(b),S_FLIGHT
    • Try
      • B(E);
      • Vars
        • P(e);SBLOCK::QAR2(A),XP(g)
        • B(a);::QAR2(A),XP(g)
      • Refutation
        • K(f);N_SPINP(b),S_FLIGHT
    • Try
      • Q(A);N_PINP(b),P_PINP(e)
      • Vars
        • P(b);CHECK,OGATEB::QAR2(A),XQ(b)
        • P(b);CHECK,OGATEB::QAR2(A),XR(b)
        • P(b);OGATEB::QAR2(A),XS(b)
        • P(b);OGATEB::QAR2(A),XB(b)
      • Refutation
        • K(f);N_SPINP(e),S_FLIGHT
    • Try
      • Q(A);N_PINP(b)
      • Threat
        • QAB1(A)
      • Vars
        • P(b);CHECK,OGATEB::QAR2(A),XQ(b)
        • P(b);CHECK,OGATEB::QAR2(A),XR(b)
        • P(b);OGATEB::QAR2(A),XS(b)
        • P(b);OGATEB::QAR2(A),XB(b)
        • P(e);::QAB1(A)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • Q(A);CHECK,N_PINP(b)
      • Refutation
        • P(e);P_SPINP(e)
  • Actual
    • Q(A);N_PINP(b)
    • Vars
      • P(b);CHECK,OGATEB::QAR2(A),XQ(b)
      • P(b);CHECK,OGATEB::QAR2(A),XR(b)
      • K(f);P_SPINB(a),S_FLIGHT::B(E)
      • K(f);S_FLIGHT::B(E)
      • P(b);OGATEB::QAR2(A),XS(b)
      • P(b);OGATEB::QAR2(A),XB(b)
      • B(a);::QAB1(A)
      • P(e);::QAB1(A)
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Developed and maintained by Brian Stephenson.
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