MESON Chess Problem Database
Problem Display
PID: 162675 (1qB5/8/4N3/R2np2R/3pkB2/8/4PK2/3N4 w - - 0 1)
Thomas, Georg
Skakbladet, 1941
#2
8 + 5
| 15601 | Albrecht-Leiss-Degener Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qa7
- 2.Rxe5#
- 1...Qb1
- 2.Rxe5#
- 1...Qb2
- 2.Rxe5#
- 1...Qb3
- 2.Rxe5#
- 1...Qb4
- 2.Rxe5#
- 1...Qb5
- 2.Rxe5#
- 1...Qb6
- 2.Rxe5#
- 1...Qb7
- 2.Rxe5#
- 1...Qa8
- 2.Rxe5#
- 1...Qxc8
- 2.Rxe5#
- 1...Sxf4
- 2.Sg5#
- 1...Sc7
- 2.Raxe5#
- 2.Rhxe5#
- 1...exf4
- 2.Sc5#
- 1...Qa7
- Tries
- 1.Ke1?
- threat
- 2.Sf2#
- 1...Sxf4
- 2.Sg5#
- 1...exf4
- 2.Sc5#
- 1...Qb1
- 2.Rxe5#
- 1...Qb4+!
- threat
- 1.Kf1?
- threat
- 2.Sf2#
- 1...Sxf4
- 2.Sg5#
- 1...exf4
- 2.Sc5#
- 1...Qb1
- 2.Rxe5#
- 1...Se3+!
- threat
- 1.Bh2?
- threat
- 2.Sc5#
- 2.Sg5#
- 1...Qxc8
- 2.Rxe5#
- 1...Se3
- 2.Sg5#
- 1...Qd6
- 2.Sg5#
- 1...Qa7
- 2.Sg5#
- 2.Rxe5#
- 1...Qc7
- 2.Sg5#
- 1...Qb4
- 2.Sg5#
- 2.Rxe5#
- 1...Qb5
- 2.Sg5#
- 2.Rxe5#
- 1...Qb6
- 2.Sg5#
- 2.Rxe5#
- 1...Sc3
- 2.Sg5#
- 1...Sb4
- 2.Sg5#
- 1...Sf4
- 2.Sg5#
- 1...Sb6
- 2.Sg5#
- 1...Sf6
- 2.Sg5#
- 1...Sc7
- 2.Sg5#
- 2.Raxe5#
- 2.Rhxe5#
- 1...Se7
- 2.Sg5#
- 1...d3!
- threat
- 1.Bg3?
- threat
- 2.Sc5#
- 2.Sg5#
- 1...Qxc8
- 2.Rxe5#
- 1...Se3
- 2.Sg5#
- 1...Qd6
- 2.Sg5#
- 1...Qa7
- 2.Sg5#
- 2.Rxe5#
- 1...Qc7
- 2.Sg5#
- 1...Qb4
- 2.Sg5#
- 2.Rxe5#
- 1...Qb5
- 2.Sg5#
- 2.Rxe5#
- 1...Qb6
- 2.Sg5#
- 2.Rxe5#
- 1...Sc3
- 2.Sg5#
- 1...Sb4
- 2.Sg5#
- 1...Sf4
- 2.Sg5#
- 1...Sb6
- 2.Sg5#
- 1...Sf6
- 2.Sg5#
- 1...Sc7
- 2.Sg5#
- 2.Raxe5#
- 2.Rhxe5#
- 1...Se7
- 2.Sg5#
- 1...d3!
- threat
- 1.Bb7?
- threat
- 2.Bxd5#
- 1...Qxb7
- 2.Rxe5#
- 1...Qa8
- 2.Rxe5#
- 1...Qd8
- 2.Rxe5#
- 1...Qd6!
- threat
- 1.Ke1?
- Keys
- 1.Kg1!
- threat
- 2.Sf2#
- 1...Sxf4
- 2.Sg5#
- 1...exf4
- 2.Sc5#
- 1...Qb1
- 2.Rxe5#
- threat
- 1.Kg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- Q(e);N_GUARD::R1(F),XP(d)
- Q(e);N_GUARD,P_PINP(B)::R1(F),XP(d)
- Q(e);N_GUARD,XB(H)::R1(F),XP(d)
- S(c);SBLOCK,XB(D)::S(G)
- P(d);SBLOCK,XB(D)::S(G)
- Tries
- Try
- K(C);S_FLIGHT
- Threat
- S(A)
- Vars
- S(c);SBLOCK,XB(D)::S(G)
- P(d);SBLOCK,XB(D)::S(G)
- Q(e);N_GUARD,P_PINS(A)::R1(F),XP(d)
- Refutation
- Q(e);CHECK
- Try
- K(C);P-FLIGHT
- Threat
- S(A)
- Vars
- S(c);SBLOCK,XB(D)::S(G)
- P(d);SBLOCK,XB(D)::S(G)
- Q(e);N_GUARD,P_PINS(A)::R1(F),XP(d)
- Refutation
- S(c);CHECK
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(e);N_GUARD,XB(H)::R1(F),XP(d)
- S(c);::S(G)
- Q(e);::S(G)
- Refutation
- P(a);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(e);N_GUARD,XB(H)::R1(F),XP(d)
- S(c);::S(G)
- Q(e);::S(G)
- Refutation
- P(a);
- Try
- B(H);P_PINS(c)
- Threat
- B(H),XS(c)
- Vars
- Q(e);N_GUARD,N_SPINS(c),XB(H)::R1(F),XP(d)
- Q(e);N_GUARD::R1(F),XP(d)
- Refutation
- Q(e);
- Try
- Actual
- K(C);S_FLIGHT
- Threat
- S(A)
- Vars
- S(c);SBLOCK,XB(D)::S(G)
- P(d);SBLOCK,XB(D)::S(G)
- Q(e);N_GUARD,P_PINS(A)::R1(F),XP(d)
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).