MESON Chess Problem Database
Problem Display
PID: 136976 (7b/2p4q/K1B1Q1p1/6p1/3N1kpN/p2P3r/3PPP1P/4r2b w - - 0 1)
Simadhinata, Januarta (Siem Giok Liam)
The Problemist Supplement, 2010
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Qd7
- 2.Sxg6#
- 1...Qe7
- 2.Sxg6#
- 1...Rxe2
- 2.Sxe2#
- 1...Rxh2
- 2.Qe3#
- 1...Re3
- 2.Qxe3#
- 2.dxe3#
- 2.fxe3#
- 1...Rf3
- 2.Qe4#
- 1...Rg3
- 2.fxg3#
- 2.hxg3#
- 1...Rxh4
- 2.Qe3#
- 1...Bg2
- 2.Sxg2#
- 1...Bf3
- 2.Qe3#
- 1...Be4
- 2.Qxe4#
- 1...Bf6
- 2.Qxf6#
- 1...Qd7
- Tries
- 1.Sdf3?
- threat
- 2.Qe3#
- 2.Qe4#
- 1...Qxh4
- 2.Qe4#
- 1...Rxf3
- 2.Qe4#
- 1...Rxh4
- 2.Qe4#
- 1...Bxf3
- 2.Qe3#
- 1...gxf3
- 2.Qe4#
- 1...gxh4
- 2.Qe4#
- 1...Qe7
- 2.Sxg6#
- 1...Bd4
- 2.Qe4#
- 1...Be5
- 2.Qxe5#
- 1...g3
- 2.Qe4#
- 1...Rxe2!
- threat
- 1.Shf3?
- threat
- 2.Qe3#
- 2.Qe4#
- 1...Rxe2
- 2.Sxe2#
- 1...Rxf3
- 2.Qe4#
- 1...Bxf3
- 2.Qe3#
- 1...Bxd4
- 2.Qe4#
- 1...gxf3
- 2.Qe4#
- 1...Be5
- 2.Qxe5#
- 1...g3
- 2.Qe4#
- 1...Qe7!
- threat
- 1.Bxh1?
- threat
- 2.Sg2#
- 2.Qe4#
- 1...Qxh4
- 2.Qe4#
- 1...Rxe2
- 2.Sxe2#
- 2.Sg2#
- 1...Rxh2
- 2.Qe3#
- 2.Qe4#
- 1...Rxh4
- 2.Qe3#
- 2.Qe4#
- 1...Qe7
- 2.Sg2#
- 2.Sxg6#
- 1...Rg1
- 2.Qe4#
- 1...Re3
- 2.Sg2#
- 2.Qxe3#
- 2.dxe3#
- 2.fxe3#
- 1...Rg3
- 2.Qe4#
- 2.fxg3#
- 2.hxg3#
- 1...Be5
- 2.Sg2#
- 1...gxh4!
- threat
- 1.Qe5+?
- 1...Bxe5
- 2.Se6#
- 1...Kxe5!
- 1...Bxe5
- 1.Qd6+?
- 1...Be5
- 2.Se6#
- 1...cxd6!
- 1...Be5
- 1.f3?
- threat
- 2.Qe3#
- 2.Qe4#
- 1...Rxe2
- 2.Sxe2#
- 1...Rxf3
- 2.Qe4#
- 1...Bxf3
- 2.Qe3#
- 1...Bxd4
- 2.Qe4#
- 1...gxf3
- 2.Qe4#
- 1...gxh4
- 2.Qe3#
- 1...Qe7
- 2.Sxg6#
- 1...Be5
- 2.Qxg4#
- 1...Rxh2!
- threat
- 1.Sdf3?
- Keys
- 1.Bf3!
- threat
- 2.Qe3#
- 2.Qe4#
- 1...Rxe2
- 2.Sxe2#
- 1...Rxf3
- 2.Qe4#
- 1...Bxf3
- 2.Qe3#
- 1...Bxd4
- 2.Qe4#
- 1...gxf3
- 2.Qe4#
- 1...gxh4
- 2.Qe3#
- 1...Qe7
- 2.Sxg6#
- 1...Be5
- 2.Qxg4#
- threat
- 1.Bf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 6
- Sets
- Q(j);N_GUARD::S(G),XP(h)
- R(a);XP(B)::S(F),XR(a)
- R(d);N_GUARD,XP(D)::QAB1(J)
- R(d);S_CUTB(b)::QAR1(J)
- R(d);N_GUARD,XS(G)::QAB1(J)
- B(b);N_GUARD::S(G),XB(b)
- B(b);S_CUTR(d)::QAB1(J)
- B(b);N_GUARD::QAR1(J),XB(b)
- B(k);N_GUARD::QAR2(J),XB(k)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(j);XS(G)::QAR1(J)
- R(d);XS(F)::QAR1(J)
- R(d);XS(G)::QAR1(J)
- B(b);XS(F)::QAB1(J)
- P(f);XS(F)::QAR1(J)
- P(g);XS(G)::QAR1(J)
- Q(j);N_GUARD::S(G),XP(h)
- B(k);::QAR1(J)
- B(k);N_GUARD::QAB1(J),XB(k)
- P(f);::QAR1(J)
- Refutation
- R(a);XP(B)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(a);XP(B)::S(F),XR(a)
- R(d);XS(G)::QAR1(J)
- B(b);XS(G)::QAB1(J)
- B(k);XS(F)::QAR1(J)
- P(f);XS(G)::QAR1(J)
- B(k);N_GUARD::QAB1(J),XB(k)
- P(f);::QAR1(J)
- Refutation
- Q(j);
- Try
- B(I);XB(b)
- Threat
- DUALS(2)
- Vars
- Q(j);XS(G)::QAR1(J)
- R(a);::QAR1(J)
- B(k);::S(G)
- Refutation
- P(g);XS(G)
- Try
- Q(J);CHECK
- Vars
- B(k);SBLOCK,XQ(J)::S(F)
- Refutation
- K(e);S_FLIGHT,XQ(J)
- Try
- Q(J);CHECK
- Vars
- B(k);P_SPINB(k)::S(F)
- Refutation
- P(i);XQ(J)
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- R(a);XP(B)::S(F),XR(a)
- R(d);XP(C)::QAR1(J)
- B(b);XP(C)::QAB1(J)
- B(k);XS(F)::QAR1(J)
- P(f);XP(C)::QAR1(J)
- P(g);XS(G)::QAB1(J)
- Q(j);N_GUARD::S(G),XP(h)
- B(k);SBLOCK::QAR1(J),XP(f)
- Refutation
- R(d);XP(D)
- Try
- Actual
- B(I);
- Threat
- DUALS(2)
- Vars
- R(a);XP(B)::S(F),XR(a)
- R(d);XB(I)::QAR1(J)
- B(b);XB(I)::QAB1(J)
- B(k);XS(F)::QAR1(J)
- P(f);XB(I)::QAR1(J)
- P(g);XS(G)::QAB1(J)
- Q(j);N_GUARD::S(G),XP(h)
- B(k);SBLOCK::QAR1(J),XP(f)
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).