MESON Chess Problem Database

Problem Display
PID: 203674 (8/p2PB3/p2P4/p2PN3/K1pkPp2/2N2P2/5R1p/1Q5B w - - 0 1)

Mannchen, Otto

1st HM., Funkschach, 1925

8/p2PB3/p2P4/p2PN3/K1pkPp2/2N2P2/5R1p/1Q5B

#2

12 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc3
      • 2.Qa1#
      • 2.Qb2#
  • Tries
    • 1.Sg4?
      • 1...Kxc3
        • 2.Bf6#
      • 1...Kc5!
    • 1.Sc6+?
      • 1...Kxc3
        • 2.Bf6#
        • 2.Qc2#
      • 1...Ke3
        • 2.Sd1#
        • 2.Re2#
      • 1...Kc5!
    • 1.Bf6?
      • 1...Kxc3
        • 2.Sd3#
        • 2.Sg4#
        • 2.Sc6#
        • 2.Sg6#
        • 2.Sf7#
        • 2.Qa1#
        • 2.Qb2#
      • 1...Ke3
        • 2.Sg4#
      • 1...Kc5!
    • 1.Rxh2?
      • 1...Kxc3
        • 2.Qa1#
        • 2.Qb2#
      • 1...Ke3
        • 2.Qg1#
      • 1...Kc5
        • 2.Qg1#
      • 1...Kxe5!
    • 1.Qb7?
      • 1...Kxc3
        • 2.Qb2#
      • 1...Ke3
        • 2.Qxa7#
      • 1...Kc5
        • 2.Qxa7#
      • 1...Kxe5!
    • 1.d8S?
      • 1...Kxc3
        • 2.Qa1#
        • 2.Qb2#
      • 1...Kc5
        • 2.Se6#
      • 1...Kxe5
        • 2.Sc6#
      • 1...Ke3!
  • Keys
    • 1.Qb8!
      • 1...Kxc3
        • 2.Qb2#
      • 1...Ke3
        • 2.Qxa7#
      • 1...Kc5
        • 2.Qxa7#
      • 1...Kxe5
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(I);
      • Vars
        • K(c);S_FLIGHT,XS(D)::B(L)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(I);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(L);
      • Vars
        • K(c);S_FLIGHT::S(I)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(C);XP(a)
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);S_FLIGHT,XS(I)
    • Try
      • Q(A);
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(A)
        • K(c);S_FLIGHT::QAB(A),XP(g)
      • Refutation
        • K(c);S_FLIGHT,XS(I)
    • Try
      • P(K);
      • Vars
        • K(c);S_FLIGHT::S(K)
        • K(c);S_FLIGHT,XS(I)::S(K)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(A)
      • K(c);S_FLIGHT::QAB(A),XP(g)
      • K(c);OGATEB,S_FLIGHT,XS(I)::QAB(A)
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