MESON Chess Problem Database
Problem Display
PID: 109446 (Q4b2/1R5b/8/1p2B3/7r/p3kpP1/2pN1p2/2K2B2 w - - 0 1)
Strzala, Kazimierz
Szachy, 1965
#2
7 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Rxb5?
- threat
- 2.Qxf3#
- 1...Re4
- 2.Rb3#
- 1...Be4
- 2.Sc4#
- 1...Rf4!
- threat
- 1.Re7?
- threat
- 2.Qxf3#
- 1...Re4
- 2.Qxa3#
- 1...Be4
- 2.Qa7#
- 1...Rf4!
- threat
- 1.Rxh7?
- threat
- 2.Qxf3#
- 1...Re4
- 2.Qxe4#
- 1...Rf4!
- threat
- 1.Qxa3+?
- 1...Bd3
- 2.Qxd3#
- 1...Bxa3+!
- 1...Bd3
- 1.Qa7+?
- 1...Rd4
- 2.Bxd4#
- 2.Bf4#
- 2.Qxd4#
- 1...Bc5!
- 1...Rd4
- 1.Qxf8?
- threat
- 2.Qxf3#
- 1...Rf4
- 2.Qxf4#
- 1...Be4
- 2.Qc5#
- 1...Bf5!
- threat
- 1.Rxb5?
- Keys
- 1.Rd7!
- threat
- 2.Qxf3#
- 1...Re4
- 2.Rd3#
- 1...Rf4
- 2.Bxf4#
- 1...Be4
- 2.Bd4#
- threat
- 1.Rd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(F);XP(g)
- Threat
- QAR1(G),XP(e)
- Vars
- R(f);S_CUTB(h)::R(F)
- B(h);S_CUTR(f)::S(C)
- Refutation
- R(f);
- Try
- R(F);
- Threat
- QAR1(G),XP(e)
- Vars
- R(f);S_CUTB(h)::QAR(G),XP(c)
- B(h);S_CUTR(f)::QAB(G)
- Refutation
- R(f);
- Try
- R(F);XB(h)
- Threat
- QAR1(G),XP(e)
- Vars
- R(f);N_GUARD::QAR1(G),XR(f)
- Refutation
- R(f);
- Try
- Q(G);CHECK,XP(c)
- Vars
- B(h);N_GUARD,P_SPINB(h)::QAR1(G),XB(h)
- Refutation
- B(i);CHECK,XQ(G)
- Try
- Q(G);CHECK
- Refutation
- B(i);P_SPINB(i)
- Try
- Q(G);XB(i)
- Threat
- QAR1(G),XP(e)
- Vars
- R(f);N_GUARD::QAB1(G),XR(f)
- B(h);S_CUTR(f)::QAB(G)
- Refutation
- B(h);
- Try
- Actual
- R(F);
- Threat
- QAR1(G),XP(e)
- Vars
- R(f);S_CUTB(h)::R1(F)
- R(f);N_GUARD::B(E),XR(f)
- B(h);S_CUTR(f)::B(E)
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).