MESON Chess Problem Database
Problem Display
PID: 70884 (8/4B3/P1P5/p2P4/PN5R/k3r2Q/P1B5/1K4bb w - - 0 1)
Peris Pardo, Julio
El Ajedrez Espanol, 1935
#2
11 + 5
| 448 | SEPA | 1935 |
| 136 | Problem Observer | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rb3+
- 2.Qxb3#
- 1...Rc3
- 2.Qxc3#
- 1...Rd3
- 2.Qxd3#
- 1...Bh2
- 2.Qxe3#
- 1...Be4
- 2.Sd3#
- 1...Bxd5
- 2.Sxd5#
- 1...axb4
- 2.Bxb4#
- 1...Rb3+
- Tries
- 1.Bb3?
- threat
- 2.Sc2#
- 1...Rxb3+
- 2.Qxb3#
- 1...axb4
- 2.Bxb4#
- 1...Re1+!
- threat
- 1.Bf6?
- threat
- 2.Bb2#
- 1...Rb3+
- 2.Qxb3#
- 1...Rc3
- 2.Qxc3#
- 1...Be4!
- threat
- 1.Bb3?
- Keys
- 1.Bd1!
- threat
- 2.Sc2#
- 1...Rb3+
- 2.Qxb3#
- 1...Be4+
- 2.Sd3#
- 1...axb4
- 2.Bxb4#
- threat
- 1.Bd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(d);CHECK,OGATE::QAR1(D),XR(d)
- R(d);OGATE::QAR2(D),XR(d)
- R(d);OGATE::QAR(D),XR(d)
- B(a);N_GUARD::QAR(D),XR(d)
- B(b);P_PINB(C)::B(K)+S(F)
- B(b);XP(H)::B(K)+S(F),XB(b)
- P(e);OGATE,P_SPINP(e),XS(F)::B(K),XP(e)
- Tries
- Try
- B(C);N_PINR(d)
- Threat
- B(K)+S(F),DCHECK
- Vars
- R(d);CHECK,OGATE,P_SPINR(d),XB(C)::QAR1(D),XR(d)
- P(e);OGATE,P_SPINP(e),XS(F)::B(K),XP(e)
- Refutation
- R(d);CHECK
- Try
- B(K);
- Threat
- B(K)
- Vars
- R(d);CHECK,OGATE::QAR1(D),XR(d)
- R(d);OGATE::QAR2(D),XR(d)
- Refutation
- B(b);P_PINB(C)
- Try
- Actual
- B(C);
- Threat
- B(K)+S(F),DCHECK
- Vars
- R(d);CHECK,OGATE::QAR1(D),XR(d)
- B(b);CHECK::B(K)+S(F)
- P(e);OGATE,P_SPINP(e),XS(F)::B(K),XP(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).