MESON Chess Problem Database

Problem Display
PID: 51100 (1Q6/6p1/3N2P1/P3PP2/2Pk3B/p6R/P7/3K3N w - - 0 1)

Rosenberg, E

Burnley Express, 1881

1Q6/6p1/3N2P1/P3PP2/2Pk3B/p6R/P7/3K3N

#2

12 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qb6#
  • Tries
    • 1.Kc1?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Ke1?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Kc2?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Kd2?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Ke2?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Sf2?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Be1?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Bg3?
      • 1...Kc3
        • 2.Bf2#
      • 1...Kd3
        • 2.Bf2#
      • 1...Kc5
        • 2.Qb6#
      • 1...Ke3!
    • 1.Bg5?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Bf6?
      • threat
        • 2.Qa7#
        • 2.Qb6#
      • 1...Kc5
        • 2.Qb6#
      • 1...gxf6!
    • 1.Be7?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Bd8?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Rxa3?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Rb3?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Re3?
      • threat
        • 2.Qa7#
        • 2.Qb6#
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe3!
    • 1.Rf3?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Rg3?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Qb1?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Qb2+?
      • 1...Kc5
        • 2.Qb6#
      • 1...axb2!
    • 1.Qb3?
      • threat
        • 2.Qe3#
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Qb7?
      • threat
        • 2.Qd5#
      • 1...Kc5
        • 2.Bf2#
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Qd8?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.e6?
      • 1...Kc5
        • 2.Qb6#
      • 1...Ke5!
  • Keys
    • 1.Sg3!
      • 1...Kc3
        • 2.Se2#
      • 1...Kd3
        • 2.Se2#
      • 1...Ke3
        • 2.Se2#
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(L)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • S(B);
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::R(D)+B(F)
        • K(b);P-FLIGHT::R(D)+B(F)
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • B(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • P(c);XB(F)
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • R(D);XP(a)
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • R(D);
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XR(D)
    • Try
      • R(D);
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • R(D);
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • Q(L);
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • Q(L);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • P(a);XQ(L)
    • Try
      • Q(L);
      • Threat
        • QAB1(L)
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • Q(L);
      • Threat
        • QAR1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • Q(L);
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • P(H);
      • Vars
        • K(b);S_FLIGHT::QAB1(L)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(b);S_FLIGHT::R(D)+S(B),DCHECK
      • K(b);P-FLIGHT::R(D)+S(B)
      • K(b);S_FLIGHT::R(D)+S(B)
      • K(b);S_FLIGHT::QAB1(L)
      • K(b);S_FLIGHT,XP(H)::QAB(L)+S(J)
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