MESON Chess Problem Database
Problem Display
PID: 213143 (N5B1/3N1R2/2pk4/3P3r/3R4/8/6p1/K5Q1 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Land og Folk, 1974
#2
8 + 4
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Qxh2#
- 1...Rh2
- Tries
- 1.Rd1?
- threat
- 2.Qc5#
- 1...cxd5
- 2.Qb6#
- 1...c5
- 2.Qxc5#
- 1...Rxd5!
- threat
- 1.Rdf4?
- threat
- 2.Qc5#
- 1...Kxd5
- 2.R7f6#
- 1...Rxd5
- 2.R4f6#
- 1...cxd5
- 2.R4f6#
- 2.Qb6#
- 1...c5
- 2.Qxc5#
- 1...Rh1!
- threat
- 1.Rg4?
- threat
- 2.Qc5#
- 1...Kxd5
- 2.Rf6#
- 1...Rxd5
- 2.Rg6#
- 1...cxd5
- 2.Rg6#
- 2.Qb6#
- 1...c5
- 2.Qxc5#
- 1...Rh1!
- threat
- 1.Qh2+?
- 1...Re5
- 2.Qxe5#
- 1...Rxh2!
- 1...Re5
- 1.Rd1?
- Keys
- 1.Rh4!
- threat
- 2.Qc5#
- 1...Kxd5
- 2.Rf6#
- 1...Rxd5
- 2.Rh6#
- 1...cxd5
- 2.Qb6#
- 1...c5
- 2.Qxc5#
- threat
- 1.Rh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- R(b);N_GUARD::QAB(B),XR(b)
- Tries
- Try
- R(C);
- Threat
- QAB1(B)
- Vars
- P(c);OGATEB,P_SPINP(c),XP(D)::QAR2(B)
- P(c);::QAB1(B),XP(c)
- Refutation
- R(b);P_SPINR(b),XP(D)
- Try
- R(C);
- Threat
- QAB1(B)
- Vars
- K(d);P-FLIGHT,XP(D)::B(H)+R(F)
- R(b);SBLOCK,XP(D)::R(C)
- P(c);::QAB1(B),XP(c)
- Refutation
- R(b);P_PINQ(B)
- Try
- R(C);
- Threat
- QAB1(B)
- Vars
- K(d);P-FLIGHT,XP(D)::B(H)+R(F)
- R(b);SBLOCK,XP(D)::R(C)
- P(c);::QAB1(B),XP(c)
- Refutation
- R(b);P_PINQ(B)
- Try
- Q(B);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::QAB1(B),XR(b)
- Refutation
- R(b);XQ(B)
- Try
- Actual
- R(C);
- Threat
- QAB1(B)
- Vars
- K(d);P-FLIGHT,XP(D)::B(H)+R(F)
- R(b);OGATE,SBLOCK,XP(D)::R(C)
- P(c);OGATEB,SBLOCK,XP(D)::QAR2(B)
- P(c);::QAB1(B),XP(c)
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).