MESON Chess Problem Database
Problem Display
PID: 246054 (3r4/7B/2Np3n/1bp2p2/1QpPR3/2pk1K2/R1r1p3/2b1B3 w - - 0 1)
Svitek, Miroslav
Zaldo MT (Problemas), 2019
#2
8 + 12
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxa2
- 2.Qxc3#
- 1...Rb2
- 2.Qxc3#
- 1...Rd2
- 2.Re3#
- 1...Bb2
- 2.Re3#
- 1...Ba3
- 2.Re3#
- 1...Be3
- 2.Rxe3#
- 1...cxb4
- 2.Sxb4#
- 1...cxd4
- 2.Rxd4#
- 1...fxe4+
- 2.Bxe4#
- 1...f4
- 2.Re3#
- 1...d5
- 2.Se5#
- 1...Rxa2
- Tries
- 1.Qb1?
- threat
- 2.Qxc2#
- 1...fxe4+
- 2.Bxe4#
- 1...Bb2
- 2.Re3#
- 1...Ba4!
- threat
- 1.Qb1?
- Keys
- 1.dxc5!
- threat
- 2.Rd4#
- 1...fxe4+
- 2.Bxe4#
- 1...Rxa2
- 2.Qxc3#
- 1...Bxc6
- 2.Qxc4#
- 1...dxc5
- 2.Se5#
- 1...Rb2
- 2.Qxc3#
- 1...Be3
- 2.Rxe3#
- threat
- 1.dxc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- R(b);N_GUARD,XR(B)::QAR1(D),XP(d)
- R(b);N_GUARD::QAR1(D),XP(d)
- R(b);S_CUTB(a)::R1(F)
- B(a);N_GUARD::R1(F)
- B(a);N_GUARD::R1(F),XB(a)
- P(h);XQ(D)::S(G),XP(h)
- P(h);OGATE,XP(E)::R1(F),XP(h)
- P(i);CHECK,OGATE,P_SPINP(i),XR(F)::B(H),XP(i)
- P(i);::B(H)+R(F),DCHECK
- P(j);N_GUARD::S(G)
- Tries
- Try
- Q(D);P_PINR(b)
- Threat
- QAB1(D),XR(b)
- Vars
- P(i);CHECK,OGATE,P_SPINP(i),XR(F)::B(H),XP(i)
- B(a);N_GUARD::R1(F)
- Refutation
- B(g);
- Try
- Actual
- P(E);XP(h)
- Threat
- R1(F)
- Vars
- P(i);CHECK,OGATE,P_SPINP(i),XR(F)::B(H),XP(i)
- R(b);N_GUARD,XR(B)::QAR1(D),XP(d)
- B(g);N_GUARD,P_PINR(F),XS(G)::QAB1(D),XP(f)
- P(j);N_GUARD,XP(E)::S(G)
- R(b);N_GUARD::QAR1(D),XP(d)
- B(a);N_GUARD::R1(F),XB(a)
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).