MESON Chess Problem Database

Problem Display
PID: 241656 (1B4B1/2r2PPp/N1Pk3K/8/4RP2/N1p5/2P3R1/7Q w - - 0 1)

Mlynka, Karol

Hlas l'udu, 1987

1B4B1/2r2PPp/N1Pk3K/8/4RP2/N1p5/2P3R1/7Q

#2

13 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rd2+?
      • 1...Kxc6
        • 2.Rb4#
        • 2.Re6#
      • 1...cxd2!
    • 1.Rg6+?
      • 1...Kd5
        • 2.Ra4#
        • 2.Rb4#
        • 2.Rc4#
      • 1...hxg6!
    • 1.Re1?
      • 1...Kd5
        • 2.Rd2#
      • 1...Kxc6!
    • 1.Re3?
      • 1...Kd5
        • 2.Rd2#
      • 1...Kxc6!
    • 1.Rb4?
      • 1...Kd5
        • 2.Rg6#
      • 1...Kxc6
        • 2.Rd2#
      • 1...Ke7
        • 2.f8Q#
      • 1...Ke6!
    • 1.Rc4?
      • threat
        • 2.f8Q#
        • 2.f8B#
      • 1...Kd5
        • 2.Rg6#
      • 1...Ke7
        • 2.f8Q#
      • 1...Ke6!
    • 1.Rd4+?
      • 1...Kxc6
        • 2.Rg6#
      • 1...Ke7
        • 2.f8Q#
      • 1...Ke6!
    • 1.Re8?
      • 1...Kd5
        • 2.Rd2#
      • 1...Kxc6!
    • 1.Qh3?
      • threat
        • 2.Qe6#
        • 2.Qd7#
      • 1...Kd5
        • 2.Qe6#
      • 1...Kxc6!
  • Keys
    • 1.Re7!
      • 1...Kd5
        • 2.Rd2#
      • 1...Kxc6
        • 2.Rg6#
      • 1...Kxe7
        • 2.f8Q#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK
      • Refutation
        • P(a);XR(C)
    • Try
      • R(C);CHECK
      • Refutation
        • P(d);XR(C)
    • Try
      • R(E);
      • Vars
        • K(b);N_SPINR(c),P-FLIGHT::QAB(A)+R(C),DCHECK
      • Refutation
        • K(b);N_SPINR(c),P-FLIGHT,XP(H)
    • Try
      • R(E);
      • Vars
        • K(b);N_SPINR(c),P-FLIGHT::QAB(A)+R(C),DCHECK
      • Refutation
        • K(b);N_SPINR(c),P-FLIGHT,XP(H)
    • Try
      • R(E);
      • Vars
        • K(b);N_SPINR(c),P-FLIGHT::QAB(A)+R(C)
        • K(b);N_SPINR(c),P-FLIGHT,XP(H)::QAB(A)+R(C)
        • K(b);N_SPINR(c),S_FLIGHT::P=Q
      • Refutation
        • K(b);N_SPINR(c),P-FLIGHT
    • Try
      • R(E);
      • Threat
        • P=Q
      • Vars
        • K(b);N_SPINR(c),P-FLIGHT::QAB(A)+R(C)
        • K(b);N_SPINR(c),S_FLIGHT::P=Q
      • Refutation
        • K(b);N_SPINR(c),P-FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(b);N_SPINR(c),P-FLIGHT,XP(H)::QAB(A)+R(C),DCHECK
        • K(b);N_SPINR(c),S_FLIGHT::P=Q
      • Refutation
        • K(b);N_SPINR(c),P-FLIGHT
    • Try
      • R(E);
      • Vars
        • K(b);N_SPINR(c),P-FLIGHT::QAB(A)+R(C),DCHECK
      • Refutation
        • K(b);N_SPINR(c),P-FLIGHT,XP(H)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);N_SPINR(c),P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);N_SPINR(c),P-FLIGHT,XP(H)
  • Actual
    • R(E);
    • Vars
      • K(b);N_SPINR(c),P-FLIGHT::QAB(A)+R(C),DCHECK
      • K(b);N_SPINR(c),P-FLIGHT,XP(H)::QAB(A)+R(C),DCHECK
      • K(b);N_SPINR(c),S_FLIGHT,XR(E)::P=Q
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