MESON Chess Problem Database

Problem Display
PID: 110330 (8/7p/4p2B/4R3/6P1/1Kp2P2/2B1P2P/3Nkb1Q w - - 0 1)

Mlynka, Karol

Canadian Chess Chat, 1981

8/7p/4p2B/4R3/6P1/1Kp2P2/2B1P2P/3Nkb1Q

#2

10 + 5

6490 yacpdb 2009
5454 Near Snap 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Sb2?
      • threat
        • 2.Sd3#
      • 1...Kf2
        • 2.Sd3#
      • 1...cxb2!
    • 1.Bb1?
      • 1...Kxd1
        • 2.Qxf1#
      • 1...c2!
    • 1.Bd3?
      • 1...Kxd1
        • 2.Qxf1#
      • 1...c2!
    • 1.Be4?
      • 1...Kxd1
        • 2.Qxf1#
      • 1...Kxe2
        • 2.Bc2#
      • 1...c2!
    • 1.Bxh7?
      • 1...Kxd1
        • 2.Qxf1#
      • 1...c2!
    • 1.Ra5?
      • 1...Kxe2
        • 2.Re5#
      • 1...e5!
    • 1.Rb5?
      • 1...Kxe2
        • 2.Re5#
      • 1...e5!
    • 1.Rc5?
      • 1...Kxe2
        • 2.Re5#
      • 1...e5!
    • 1.Rh5?
      • 1...Kxe2
        • 2.Re5#
      • 1...e5!
    • 1.Qg2?
      • threat
        • 2.Qf2#
        • 2.Qg3#
      • 1...Bxe2
        • 2.Rxe2#
        • 2.Qh1#
        • 2.Qg1#
        • 2.Qxe2#
        • 2.Qf2#
      • 1...Bxg2!
  • Keys
    • 1.Se3!
      • 1...Kd2
        • 2.Sg2#
      • 1...Kxe2
        • 2.Sd1#
      • 1...Kf2
        • 2.Qxf1#

This anticipates 146680(1993)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • K(a);N_SPINB(b),S_FLIGHT::S(A)
      • Refutation
        • P(c);XS(A)
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT,XS(A)::QAR2(B),XB(b)
      • Refutation
        • P(c);
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT,XS(A)::QAR2(B),XB(b)
      • Refutation
        • P(c);
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT,XS(A)::QAR2(B),XB(b)
        • K(a);N_SPINB(b),OGATEB,P-FLIGHT,XP(D)::R(I)+B(C)
      • Refutation
        • P(c);
    • Try
      • B(C);XP(e)
      • Vars
        • K(a);P-FLIGHT,XS(A)::QAR2(B),XB(b)
      • Refutation
        • P(c);
    • Try
      • R(I);
      • Vars
        • K(a);N_SPINB(b),OGATEB,P-FLIGHT,XP(D)::R(I)
      • Refutation
        • P(d);
    • Try
      • R(I);
      • Vars
        • K(a);N_SPINB(b),OGATEB,P-FLIGHT,XP(D)::R(I)
      • Refutation
        • P(d);
    • Try
      • R(I);
      • Vars
        • K(a);N_SPINB(b),OGATEB,P-FLIGHT,XP(D)::R(I)
      • Refutation
        • P(d);
    • Try
      • R(I);
      • Vars
        • K(a);N_SPINB(b),OGATEB,P-FLIGHT,XP(D)::R(I)
      • Refutation
        • P(d);
    • Try
      • Q(B);N_PINB(b)
      • Threat
        • DUALS(2)
      • Refutation
        • B(b);XQ(B)
  • Actual
    • S(A);
    • Vars
      • K(a);N_SPINB(b),S_FLIGHT::B(J)+S(A)
      • K(a);N_SPINB(b),P-FLIGHT,XP(D)::R(I)+S(A)
      • K(a);N_SPINB(b),S_FLIGHT::QAR1(B),XB(b)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).