MESON Chess Problem Database
Problem Display
PID: 137601 (4b2R/4B1p1/R1q3kb/3Q4/2BN2r1/3N2p1/6K1/8 w - - 0 1)
Lindeberg, FM
Norsk Sjakkblad, 1924
#2
8 + 7
| 881 | The Australasian Chess Review | 1929 |
SOLUTION
- SOUND
- Sets
- 1...Qxa6
- 2.Qf5#
- 1...Qb6
- 2.Qf5#
- 1...Qd6
- 2.Rxd6#
- 2.Qf5#
- 1...Qe6
- 2.Qf5#
- 1...Qf6
- 2.Qf5#
- 1...Re4
- 2.Qf5#
- 1...Rg5
- 2.Sf4#
- 1...Bc1
- 2.Se5#
- 1...Bd2
- 2.Se5#
- 1...Be3
- 2.Se5#
- 1...Bf4
- 2.Qe4#
- 1...Bg5
- 2.Se5#
- 1...Qxa6
- Tries
- 1.Sf4+?
- 1...Bxf4
- 2.Bd3#
- 2.Qe4#
- 1...Rxf4!
- 1...Bxf4
- 1.Sf4+?
- Keys
- 1.Qf3!
- 1...Kh5
- 2.Sf4#
- 1...Qxa6
- 2.Qf5#
- 1...Rxd4
- 2.Se5#
- 1...Qf6
- 2.Qf5#
- 1...Rf4
- 2.Se5#
- 1...Qb6
- 2.Qf5#
- 1...Qd6
- 2.Qf5#
- 1...Qe6
- 2.Qf5#
- 1...Re4
- 2.Qf5#
- 1...Rh4
- 2.Se5#
- 1...Rg5
- 2.Sf4#
- 1...Bc1
- 2.Se5#
- 1...Bd2
- 2.Se5#
- 1...Be3
- 2.Se5#
- 1...Bf4
- 2.Qe4#
- 1...Bg5
- 2.Se5#
- 1...Bd7
- 2.Bf7#
- 1...Bf7
- 2.Bxf7#
- 1...Kh5
- 1.Qf3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- Q(c);N_PINQ(E),N_SPINQ(c),XR(F)::QAB1(E)
- Q(c);N_PINQ(E)::QAB1(E)
- R(b);N_PINQ(E)::QAB1(E)
- R(b);N_GUARD,S_CUTB(e)::S(B)
- B(e);::S(B)
- B(e);S_CUTR(b)::QAB(E)
- Tries
- Try
- S(B);CHECK
- Refutation
- R(b);XS(B)
- Try
- Actual
- Q(E);
- Vars
- K(d);N_SPINQ(c),P_SPINB(e),P_SPINR(b),S_FLIGHT::S(B)
- Q(c);N_PINQ(E),N_SPINQ(c),XR(F)::QAB1(E)
- R(b);XS(D)::S(B)
- Q(c);N_PINQ(E)::QAB1(E)
- R(b);::S(B)
- R(b);N_PINQ(E)::QAB1(E)
- R(b);N_GUARD,S_CUTB(e)::S(B)
- B(e);::S(B)
- B(e);S_CUTR(b)::QAB(E)
- B(g);N_GUARD::B(C)
- B(g);N_GUARD::B(C),XB(g)
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).