MESON Chess Problem Database

Problem Display
PID: 110615 (1Q6/4p3/3nB1R1/3Pk3/4p3/3pBp2/p6q/K3N3 w - - 0 1)

von Klett, Maximilian Phillipp Friedrich

About, 1875

1Q6/4p3/3nB1R1/3Pk3/4p3/3pBp2/p6q/K3N3

#2

7 + 8

15 British Chess Magazine 1911
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qg1
      • 2.Qb2#
      • 2.Qh8#
    • 1...Qg3
      • 2.Qb2#
      • 2.Qh8#
    • 1...Qf4
      • 2.Qb2#
    • 1...Qh1
      • 2.Qb2#
    • 1...Qb2+
      • 2.Qxb2#
    • 1...Qc2
      • 2.Qh8#
    • 1...Qd2
      • 2.Qh8#
    • 1...Qe2
      • 2.Qh8#
    • 1...Qf2
      • 2.Qh8#
    • 1...Qg2
      • 2.Qh8#
    • 1...Qh3
      • 2.Qb2#
    • 1...Qh4
      • 2.Qb2#
    • 1...Qh5
      • 2.Qb2#
    • 1...Qh6
      • 2.Qb2#
    • 1...Qh7
      • 2.Qb2#
    • 1...Qh8
      • 2.Qb2#
      • 2.Qxh8#
    • 1...d2
      • 2.Qb2#
    • 1...f2
      • 2.Qb2#
  • Tries
    • 1.Bd4+?
      • 1...Kf4
        • 2.Rg4#
      • 1...Kxd4!
    • 1.Rg4?
      • 1...Qb2+
        • 2.Qxb2#
      • 1...Qg1
        • 2.Qb2#
        • 2.Qh8#
      • 1...Qg3
        • 2.Qb2#
        • 2.Qh8#
      • 1...Qf4
        • 2.Qb2#
      • 1...Qh1
        • 2.Qb2#
      • 1...Qc2
        • 2.Qh8#
      • 1...Qd2
        • 2.Qh8#
      • 1...Qe2
        • 2.Qh8#
      • 1...Qf2
        • 2.Qh8#
      • 1...Qg2
        • 2.Qh8#
      • 1...Qh3
        • 2.Qb2#
      • 1...Qh4
        • 2.Qb2#
      • 1...Qh5
        • 2.Qb2#
      • 1...Qh6
        • 2.Qb2#
      • 1...Qh7
        • 2.Qb2#
      • 1...Qh8
        • 2.Qb2#
        • 2.Qxh8#
      • 1...d2
        • 2.Qb2#
      • 1...f2
        • 2.Qb2#
      • 1...Kf6!
    • 1.Rh6?
      • threat
        • 2.Qh8#
      • 1...Qb2+
        • 2.Qxb2#
      • 1...Qxh6
        • 2.Qb2#
      • 1...Qg1
        • 2.Qb2#
      • 1...Qg3
        • 2.Qb2#
      • 1...Qf4
        • 2.Qb2#
      • 1...Qh4
        • 2.Qb2#
      • 1...Qg2!
  • Keys
    • 1.Rg3!
      • 1...Qb2+
        • 2.Qxb2#
      • 1...Kf6
        • 2.Bd4#
      • 1...Qxg3
        • 2.Qb2#
      • 1...Qg1
        • 2.Qb2#
        • 2.Qh8#
      • 1...Qh1
        • 2.Qb2#
      • 1...Qc2
        • 2.Qh8#
      • 1...Qd2
        • 2.Qh8#
      • 1...Qe2
        • 2.Qh8#
      • 1...Qf2
        • 2.Qh8#
      • 1...Qg2
        • 2.Qh8#
      • 1...Qh3
        • 2.Qb2#
      • 1...Qh4
        • 2.Qb2#
      • 1...Qh5
        • 2.Qb2#
      • 1...Qh6
        • 2.Qb2#
      • 1...Qh7
        • 2.Qb2#
      • 1...Qh8
        • 2.Qb2#
        • 2.Qxh8#
      • 1...d2
        • 2.Qb2#
      • 1...f2
        • 2.Qb2#

There are these versions: 4547

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • Q(b);N_GUARD::QAB(G)
    • Q(b);N_GUARD,P_PINS(B)::QAB(G)
    • Q(b);CHECK,N_GUARD::QAB(G),XQ(b)
    • P(c);S_CUTQ(b)::QAB(G)
    • P(d);S_CUTQ(b)::QAB(G)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(f);S_FLIGHT::R1(F)
      • Refutation
        • K(f);N_SPINS(g),S_FLIGHT,XB(C)
    • Try
      • R(F);
      • Vars
        • Q(b);CHECK,N_GUARD::QAB(G),XQ(b)
        • Q(b);N_GUARD::QAB(G)
        • Q(b);N_GUARD,P_PINS(B)::QAB(G)
        • P(c);S_CUTQ(b)::QAB(G)
        • P(d);S_CUTQ(b)::QAB(G)
      • Refutation
        • K(f);N_SPINS(g),S_FLIGHT
    • Try
      • R(F);
      • Threat
        • QAB(G)
      • Vars
        • Q(b);CHECK,N_GUARD::QAB(G),XQ(b)
        • Q(b);N_GUARD,XR(F)::QAB(G)
        • Q(b);N_GUARD,P_PINS(B)::QAB(G)
        • Q(b);N_GUARD::QAB(G)
      • Refutation
        • Q(b);
  • Actual
    • R(F);
    • Vars
      • Q(b);CHECK,N_GUARD::QAB(G),XQ(b)
      • K(f);N_SPINS(g),S_FLIGHT::B(C)
      • Q(b);N_GUARD,XR(F)::QAB(G)
      • Q(b);N_GUARD,P_PINS(B)::QAB(G)
      • Q(b);N_GUARD::QAB(G)
      • P(c);S_CUTQ(b)::QAB(G)
      • P(d);S_CUTQ(b)::QAB(G)
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