MESON Chess Problem Database
Problem Display
PID: 61366 (BBK2b2/4pr1b/n3P3/1pk3NR/8/PP2P1p1/2N5/2R3Q1 w - - 0 1)
Servais, Albert
8th Comm., S E de A, 1953
#2
12 + 8
| 785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1955 |
SOLUTION
- SOUND
- Sets
- 1...Rf4
- 2.exf4#
- 1...Rg7
- 2.e4#
- 1...Bf5
- 2.e4#
- 1...Rf4
- Tries
- 1.Sf3+?
- 1...Rf5
- 2.e4#
- 1...Bf5
- 2.e4#
- 1...Kb6!
- 1...Rf5
- 1.Sh3+?
- 1...Rf5
- 2.e4#
- 1...Bf5
- 2.e4#
- 1...Kb6!
- 1...Rf5
- 1.Sxf7+?
- 1...Bf5
- 2.Ba7#
- 2.e4#
- 1...Kb6!
- 1...Bf5
- 1.Sxh7+?
- 1...Rf5
- 2.e4#
- 1...Kb6!
- 1...Rf5
- 1.Bc7?
- threat
- 2.Se4#
- 1...Be4
- 2.Sxe4#
- 1...Sxc7!
- threat
- 1.Sf3+?
- Keys
- 1.Kb7!
- threat
- 2.Se4#
- 1...Be4+
- 2.Sxe4#
- 1...Kd5
- 2.Kb6#
- 1...Rf5
- 2.Sb4#
- 1...Bf5
- 2.e4#
- threat
- 1.Kb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- R(f);OGATE::QAB(B)+P(F),XR(f)
- R(f);N_GUARD::QAB(B)+P(F)
- B(g);P_PINP(I),S_CUTR(f)::QAB(B)+P(F)
- Tries
- Try
- S(G);CHECK
- Vars
- R(f);P_SPINR(f)::QAB(B)+P(F)
- B(g);P_PINP(I),P_SPINB(g)::QAB(B)+P(F)
- Refutation
- K(c);S_FLIGHT
- Try
- S(G);CHECK
- Vars
- R(f);P_SPINR(f)::QAB(B)+P(F)
- B(g);P_PINP(I),P_SPINB(g)::QAB(B)+P(F)
- Refutation
- K(c);S_FLIGHT
- Try
- S(G);CHECK,XR(f)
- Refutation
- K(c);S_FLIGHT
- Try
- S(G);CHECK,XB(g)
- Vars
- R(f);P_SPINR(f)::QAB(B)+P(F)
- Refutation
- K(c);S_FLIGHT
- Try
- B(K);
- Threat
- R(H)+S(G),DCHECK
- Vars
- B(g);::R(H)+S(G),DCHECK,XB(g)
- Refutation
- S(d);XB(K)
- Try
- Actual
- K(L);S_FLIGHT
- Threat
- R(H)+S(G),DCHECK
- Vars
- B(g);CHECK::R(H)+S(G),DCHECK,XB(g)
- K(c);P-FLIGHT::B(J)+K(L)
- R(f);S_CUTB(g)::R(A)+S(C)
- B(g);S_CUTR(f)::QAB(B)+P(F)
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).