MESON Chess Problem Database
Problem Display
PID: 164118 (B7/1q1pp2K/2b3R1/1PBkn3/NP1pp2R/1PP4Q/3pr3/8 w - - 0 1)
Kapros, Jorge Marcelo
4th HM., Best Problems, 2015
#2
11 + 10
| 4901 | Best Problems | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qxa8
- 2.Sb6#
- 1...Qc8
- 2.Sb6#
- 1...Qb6
- 2.Sxb6#
- 1...Bxb5
- 2.Sb6#
- 1...dxc3
- 2.Sxc3#
- 1...e3
- 2.Rxd4#
- 1...d6
- 2.Qe6#
- 1...Qxa8
- Tries
- 1.Rg5?
- threat
- 2.c4#
- 1...Qxb5
- 2.Qxd7#
- 1...dxc3
- 2.Sxc3#
- 1...Bxb5!
- threat
- 1.Qf5?
- threat
- 2.c4#
- 1...Bxb5
- 2.Sb6#
- 1...dxc3
- 2.Sxc3#
- 1...Qxb5!
- threat
- 1.Qxd7+?
- 1...Qxd7
- 2.Sb6#
- 1...Bxd7
- 2.Sb6#
- 1...Sxd7!
- 1...Qxd7
- 1.Rg5?
- Keys
- 1.Rh5!
- threat
- 2.c4#
- 1...Qxb5
- 2.Qxd7#
- 1...Bxb5
- 2.Sb6#
- 1...dxc3
- 2.Sxc3#
- 1...e3
- 2.Qf3#
- threat
- 1.Rh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- Q(h);N_GUARD,XB(K)::S(D)
- Q(h);N_GUARD,P_SPINB(g)::S(D)
- Q(h);N_GUARD,P_SPINB(g)::S(D),XQ(h)
- B(g);P_SPINQ(h),XP(G)::S(D)
- P(c);XP(B)::S(D),XP(c)
- P(d);OGATE::R1(F),XP(c)
- P(i);N_GUARD::QAB1(C)
- Tries
- Try
- R(I);P_PINS(f)
- Threat
- P(B)
- Vars
- Q(h);N_GUARD,P_SPINB(g),XP(G)::QAR2(C),XP(i)
- P(c);XP(B)::S(D),XP(c)
- Refutation
- B(g);P_SPINQ(h),XP(G)
- Try
- Q(C);P_PINS(f)
- Threat
- P(B)
- Vars
- B(g);P_SPINQ(h),XP(G)::S(D)
- P(c);XP(B)::S(D),XP(c)
- Refutation
- Q(h);P_SPINB(g),XP(G)
- Try
- Q(C);CHECK,XP(i)
- Vars
- Q(h);P_SPINB(g),XQ(C)::S(D)
- B(g);P_SPINQ(h),XQ(C)::S(D)
- Refutation
- S(f);XQ(C)
- Try
- Actual
- R(F);P_PINS(f)
- Threat
- P(B)
- Vars
- Q(h);N_GUARD,P_SPINB(g),XP(G)::QAR2(C),XP(i)
- B(g);P_SPINQ(h),XP(G)::S(D)
- P(c);XP(B)::S(D),XP(c)
- P(d);OGATEB::QAB(C)
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).