MESON Chess Problem Database
Problem Display
PID: 77185 (1b3r2/4Q1n1/1qP1PBKp/7N/4B1k1/r5Pp/8/3N1RR1 w - - 0 1)
Simadhinata, Januarta (Siem Giok Liam)
Sp. Prize, Schach, 2000-2001
#2
11 + 8
| 23 | Die Schwalbe | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Qf2
- 2.Sxf2#
- 1...Qa5
- 2.Sf2#
- 1...Qc7
- 2.Sf2#
- 1...Qd8
- 2.Sf2#
- 1...Qb1
- 2.Sf2#
- 1...Qb3
- 2.Sf2#
- 1...Qb4
- 2.Sf2#
- 1...Qb5
- 2.Sf2#
- 1...Qa6
- 2.Sf2#
- 1...Qxc6
- 2.Sf2#
- 1...Qb7
- 2.Sf2#
- 1...Ra1
- 2.Bf3#
- 1...Ra2
- 2.Bf3#
- 1...Re3
- 2.Sf2#
- 1...Rf3
- 2.Bxf3#
- 1...Rxg3
- 2.Bf3#
- 1...Ra4
- 2.Bf3#
- 1...Ra5
- 2.Bf3#
- 1...Ra6
- 2.Bf3#
- 1...Ra7
- 2.Bf3#
- 1...Ra8
- 2.Bf3#
- 1...Rxf6+
- 2.Sxf6#
- 1...Bxg3
- 2.Rf4#
- 1...Bf4
- 2.Rxf4#
- 1...Ba7
- 2.Rf4#
- 1...Sf5
- 2.Bxf5#
- 1...Sxh5
- 2.Bf5#
- 1...Sxe6
- 2.Bf5#
- 2.Qxe6#
- 1...Se8
- 2.Bf5#
- 1...Qf2
- Tries
- 1.Be5?
- threat
- 2.Qh4#
- 1...Rf6+
- 2.Sxf6#
- 1...Rxg3
- 2.Rxg3#
- 1...Sf5
- 2.Rf4#
- 1...Qd8!
- threat
- 1.Qxa3?
- threat
- 2.Bf3#
- 2.Qf3#
- 1...Rxf6+
- 2.Sxf6#
- 1...Qxc6
- 2.Sf2#
- 2.Se3#
- 2.Qf3#
- 1...Qf2
- 2.Sxf2#
- 1...Qe3
- 2.Sxe3#
- 1...Qb1
- 2.Sf2#
- 2.Se3#
- 2.Qf3#
- 1...Qb3
- 2.Sf2#
- 1...h2!
- threat
- 1.Qb4?
- threat
- 2.Bf3#
- 2.Bf5#
- 1...Rxf6+
- 2.Sxf6#
- 1...Qxb4
- 2.Sf2#
- 1...h2
- 2.Bf5#
- 1...Qf2
- 2.Sxf2#
- 1...Rf3
- 2.Bxf3#
- 2.Bf5#
- 1...Bf4
- 2.Rxf4#
- 1...Sf5
- 2.Bf3#
- 2.Bxf5#
- 1...Qd4!
- threat
- 1.Qxg7?
- threat
- 2.Kxh6#
- 2.Bf5#
- 1...Rxf6+
- 2.Sxf6#
- 1...h2
- 2.Bf5#
- 1...Qf2
- 2.Kxh6#
- 2.Sxf2#
- 1...Qe3
- 2.Bf5#
- 1...Qa5
- 2.Sf2#
- 1...Qa7
- 2.Bf5#
- 1...Qc7
- 2.Sf2#
- 2.Bf5#
- 1...Qb1
- 2.Kxh6#
- 2.Sf2#
- 1...Qb5
- 2.Sf2#
- 1...Qb7
- 2.Sf2#
- 2.Bf5#
- 1...Rf3
- 2.Kxh6#
- 2.Bxf3#
- 1...Ra5
- 2.Bf3#
- 1...Ra7
- 2.Bf3#
- 2.Bf5#
- 1...Rf7
- 2.Bf5#
- 1...Rg8
- 2.Bf5#
- 1...Rh8
- 2.Bf5#
- 1...Bf4
- 2.Bf5#
- 2.Rxf4#
- 1...Qc5!
- threat
- 1.Be5?
- Keys
- 1.Bc3!
- threat
- 2.Qh4#
- 1...Rf6+
- 2.Sxf6#
- 1...Bxg3
- 2.Rxg3#
- 1...Qd8
- 2.Se3#
- 1...Sf5
- 2.Bf3#
- threat
- 1.Bc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 24
- Sets
- Q(d);N_GUARD::S(A),XQ(d)
- Q(d);N_GUARD::S(A)
- Q(d);N_GUARD,P_PINB(E)::S(A)
- Q(d);N_GUARD,XP(G)::S(A)
- R(a);N_GUARD::B(E)
- R(a);S_CUTQ(d)::S(A)
- R(a);N_GUARD::B(E),XR(a)
- R(a);N_GUARD,P_SPINR(a),XP(D)::B(E)
- R(h);CHECK,XB(I)::S(F),XR(h)
- B(g);N_GUARD,P_SPINB(g),XP(D)::R1(B)
- B(g);N_GUARD::R1(B),XB(g)
- B(g);N_GUARD::R1(B)
- S(f);N_GUARD::B(E),XS(f)
- S(f);N_GUARD,XS(F)::B(E)
- S(f);N_GUARD::B(E)
- Tries
- Try
- B(I);
- Threat
- QAR1(K)
- Vars
- R(h);CHECK,N_GUARD::S(F),XR(h)
- R(a);OGATE,P_SPINR(a),XP(D)::R1(C),XR(a)
- S(f);S_CUTR(h)::R1(B)
- Refutation
- Q(d);
- Try
- Q(K);XR(a)
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,XB(I)::S(F),XR(h)
- Q(d);N_GUARD::S(A),XQ(d)
- Q(d);N_GUARD::S(A)
- Refutation
- P(b);
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,XB(I)::S(F),XR(h)
- Q(d);N_GUARD,XQ(K)::S(A)
- P(b);::QAR(K)+B(E),DCHECK
- Q(d);N_GUARD::S(A),XQ(d)
- B(g);N_GUARD::R1(B),XB(g)
- Refutation
- Q(d);
- Try
- Q(K);XS(f)
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,XB(I)::S(F),XR(h)
- P(b);::B(E)
- Q(d);::B(E)
- Q(d);N_GUARD::S(A)
- R(a);N_GUARD::B(E)
- R(h);::B(E)
- R(h);P_PINQ(K)::B(E)
- Refutation
- Q(d);
- Try
- Actual
- B(I);
- Threat
- QAR1(K)
- Vars
- R(h);CHECK,N_GUARD::S(F),XR(h)
- B(g);OGATE,P_SPINB(g),XP(D)::R1(C),XB(g)
- Q(d);N_GUARD::S(A)
- S(f);S_CUTR(h)::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).