MESON Chess Problem Database

Problem Display
PID: 241658 (2K5/1p1QP3/1P6/p1k2P2/B3P3/N7/P2P4/8 w - - 0 1)

Mlynka, Karol

Sachove umeni (Ceskoslovensky sach), 1987

2K5/1p1QP3/1P6/p1k2P2/B3P3/N7/P2P4/8

#2

10 + 3

5454 Near Snap 2021
15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kb8?
      • 1...Kxb6
        • 2.Qb5#
        • 2.Qd6#
      • 1...Kb4!
    • 1.Sc2?
      • threat
        • 2.Qd4#
        • 2.Qc7#
      • 1...Kc4
        • 2.Qb5#
        • 2.Qd4#
        • 2.Qd5#
      • 1...Kxb6!
    • 1.Sc4?
      • 1...Kb4
        • 2.Qb5#
      • 1...Kxc4!
    • 1.Bb5?
      • 1...Kb4
        • 2.Qd6#
      • 1...Kxb6
        • 2.Qd4#
      • 1...a4!
    • 1.Qb5+?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kd6!
    • 1.Qc6+?
      • 1...Kb4
        • 2.Sc2#
      • 1...Kd4
        • 2.Qd5#
      • 1...bxc6!
    • 1.Qe6?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kb4!
    • 1.Qxb7?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kb4!
    • 1.d4+?
      • 1...Kxb6
        • 2.Qxb7#
      • 1...Kb4!
    • 1.e8Q?
      • 1...Kb4
        • 2.Qd6#
        • 2.Qde7#
        • 2.Qee7#
        • 2.Qf8#
      • 1...Kxb6!
    • 1.e8B?
      • 1...Kb4
        • 2.Qd6#
        • 2.Qe7#
      • 1...Kxb6!
  • Keys
    • 1.Sb5!
      • 1...Kb4
        • 2.Qd4#
      • 1...Kc4
        • 2.Qd4#
      • 1...Kxb6
        • 2.Qd6#

Anticipated by 10913(1969)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(J);P-FLIGHT
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Refutation
        • K(b);S_FLIGHT,XP(G)
    • Try
      • S(C);
      • Vars
        • K(b);S_FLIGHT::QAR1(H)
      • Refutation
        • K(b);P-FLIGHT,XS(C)
    • Try
      • B(D);
      • Vars
        • K(b);S_FLIGHT::QAB(H)
        • K(b);S_FLIGHT,XP(G)::QAB(H)
      • Refutation
        • P(a);
    • Try
      • Q(H);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAR1(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(H);CHECK
      • Vars
        • K(b);S_FLIGHT::S(C)
        • K(b);S_FLIGHT::QAR1(H)
      • Refutation
        • P(c);XQ(H)
    • Try
      • Q(H);
      • Vars
        • K(b);S_FLIGHT::QAR1(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(H);XP(c)
      • Vars
        • K(b);S_FLIGHT::QAR1(H)
        • K(b);S_FLIGHT::QAB1(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(B);CHECK
      • Vars
        • K(b);S_FLIGHT,XP(G)::QAR1(H),XP(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(I);
      • Refutation
        • K(b);S_FLIGHT,XP(G)
    • Try
      • P(I);
      • Refutation
        • K(b);S_FLIGHT,XP(G)
  • Actual
    • S(C);
    • Vars
      • K(b);S_FLIGHT::QAR2(H)
      • K(b);P-FLIGHT::QAR1(H)
      • K(b);S_FLIGHT,XP(G)::QAR2(H)
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