MESON Chess Problem Database
Problem Display
PID: 35824 (1rn3QK/3B4/b4B2/r7/5k1p/1RN3NR/3P1p1n/8 w - - 0 1)
Jones, Christopher JAJ
1st Prize, The Problemist, 1993
#2
9 + 8
| 3681 | FIDE Album (1992-1994) | 2001 |
| 81 | Chess | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Kf3
- 2.Sge2#
- 2.Sh5#
- 1...Ra1
- 2.Sd5#
- 2.Sh5#
- 1...Ra2
- 2.Sd5#
- 2.Sh5#
- 1...Ra3
- 2.Sd5#
- 2.Sh5#
- 1...Ra4
- 2.Sd5#
- 2.Sh5#
- 1...Rab5
- 2.Sce2#
- 2.Sge2#
- 1...Rd5
- 2.Sxd5#
- 1...Rh5+
- 2.Sxh5#
- 1...Rbb5
- 2.Sce2#
- 2.Sge2#
- 1...Be2
- 2.Scxe2#
- 2.Sgxe2#
- 1...Bb5
- 2.Sd5#
- 2.Sh5#
- 1...Bb7
- 2.Sce2#
- 2.Sge2#
- 1...Sf1
- 2.Qg4#
- 1...Sf3
- 2.Qg4#
- 1...Sg4
- 2.Qxg4#
- 1...hxg3
- 2.Qxg3#
- 1...Kf3
- Tries
- 1.Sb5?
- threat
- 2.Qc4#
- 2.Qg5#
- 1...Raxb5
- 2.Qc4#
- 1...Rbxb5
- 2.Qc4#
- 1...Bxb5
- 2.Qg5#
- 1...hxg3
- 2.Qc4#
- 1...f1Q
- 2.Qg5#
- 1...f1B
- 2.Qg5#
- 1...Ra4
- 2.Qg5#
- 1...Bb7
- 2.Qg5#
- 1...Sf3
- 2.Qg4#
- 1...Sb6
- 2.Qxb8#
- 1...Sa7
- 2.Qxb8#
- 1...Se7
- 2.Qxb8#
- 1...Sd6!
- threat
- 1.Bb5?
- threat
- 2.Sce2#
- 2.Sd5#
- 1...Kf3
- 2.Sge2#
- 2.Sh5#
- 1...Raxb5
- 2.Sce2#
- 1...Rbxb5
- 2.Sce2#
- 1...Bxb5
- 2.Sd5#
- 1...f1Q
- 2.Sd5#
- 1...f1B
- 2.Sd5#
- 1...Bb7
- 2.Sce2#
- 1...Sb6
- 2.Sce2#
- 1...Se7
- 2.Sce2#
- 1...hxg3!
- threat
- 1.Rb4+?
- 1...Kf3
- 2.Sf1#
- 2.Sh1#
- 2.Sge2#
- 2.Sf5#
- 2.Sh5#
- 1...Bc4
- 2.Sge2#
- 1...Rxb4!
- 1...Kf3
- 1.Rxh4+?
- 1...Sg4
- 2.Qxg4#
- 1...Kf3!
- 1...Sg4
- 1.Qc4+?
- 1...Kf3
- 2.Qe4#
- 1...Bxc4!
- 1...Kf3
- 1.Qg5+?
- 1...Kf3
- 2.Sf1#
- 2.Sh1#
- 2.Sge2#
- 2.Sge4#
- 2.Sf5#
- 2.Sh5#
- 1...Rxg5!
- 1...Kf3
- 1.Sb5?
- Keys
- 1.Rb5!
- threat
- 2.Sge2#
- 2.Sh5#
- 1...Kf3
- 2.Sge2#
- 2.Sh5#
- 1...Raxb5
- 2.Sge2#
- 1...Rbxb5
- 2.Sge2#
- 1...Bxb5
- 2.Sh5#
- 1...hxg3
- 2.Qxg3#
- 1...f1Q
- 2.Sh5#
- 1...f1B
- 2.Sh5#
- threat
- 1.Rb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 5
- Sets
- R(e);N_GUARD::S(C),XR(e)
- R(e);CHECK,N_GUARD::S(D),XR(e)
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD::QAR1(H),XS(b)
- P(d);OGATE,XS(D)::QAB1(H),XP(d)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- R(e);XS(C)::QAR(H)
- R(g);XS(C)::QAR(H)
- B(f);XS(C)::QAB1(H)
- P(d);XS(D)::QAR(H)
- P(a);::QAB1(H)
- R(e);::QAB1(H)
- B(f);::QAB1(H)
- S(b);N_GUARD::QAR1(H)
- S(h);OGATE,P_PINQ(H)::QAB(H),XR(g)
- Refutation
- S(h);P_PINQ(H)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(e);XB(G)::S(C)
- R(g);XB(G)::S(C)
- B(f);XB(G)::S(C)
- P(a);::S(C)
- B(f);::S(C)
- S(h);P_PINQ(H)::S(C)
- Refutation
- P(d);XS(D)
- Try
- R(B);CHECK
- Vars
- B(f);P_SPINB(f)::S(D)
- Refutation
- R(g);XR(B)
- Try
- R(E);CHECK,XP(d)
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAR1(H),XS(b)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(H);CHECK
- Vars
- K(c);P-FLIGHT::QAB1(H)
- Refutation
- B(f);XQ(H)
- Try
- Q(H);CHECK
- Refutation
- R(e);XQ(H)
- Try
- Actual
- R(B);
- Threat
- DUALS(2)
- Vars
- R(e);XR(B)::S(D)
- R(g);XR(B)::S(D)
- B(f);XR(B)::S(D)
- P(d);OGATE,XS(D)::QAB1(H),XP(d)
- P(a);::S(D)
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).