MESON Chess Problem Database
Problem Display
PID: 165885 (3RR3/8/4Npp1/2Nn4/3pp1Q1/2nBkp2/6Pp/K3B3 w - - 0 1)
Janevski, Zivko
StrateGems, 2015
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Qxe4#
- 1...Sd1
- 2.Qxe4#
- 1...Sa2
- 2.Qxe4#
- 1...Se2
- 2.Qxe4#
- 1...Sa4
- 2.Qxe4#
- 1...Sb5
- 2.Qxe4#
- 1...Sb4
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sb6
- 2.Qf4#
- 1...Sc7
- 2.Qf4#
- 1...Se7
- 2.Qf4#
- 1...fxg2
- 2.Qh3#
- 2.Qg3#
- 1...f2
- 2.Qh3#
- 2.Qg3#
- 1...exd3
- 2.Qxf3#
- 1...Sb1
- Tries
- 1.Sxe4?
- threat
- 2.Qxf3#
- 1...fxg2
- 2.Qh3#
- 2.Qg3#
- 1...f2
- 2.Qf3#
- 2.Qh3#
- 2.Qg3#
- 1...Kxd3!
- threat
- 1.Sf4?
- threat
- 2.Qxf3#
- 1...fxg2
- 2.Sxg2#
- 2.Qg3#
- 1...f2
- 2.Qf3#
- 2.Qg3#
- 1...Se7!
- threat
- 1.Sg5?
- threat
- 2.Qxf3#
- 1...fxg2
- 2.Qf3#
- 2.Qg3#
- 1...f2
- 2.Qf3#
- 2.Qg3#
- 1...Se7!
- threat
- 1.Sc7?
- threat
- 2.Qxf3#
- 1...fxg2
- 2.Qg3#
- 1...f2
- 2.Qf3#
- 2.Qg3#
- 1...Se7!
- threat
- 1.Sg7?
- threat
- 2.Qxf3#
- 1...fxg2
- 2.Qg3#
- 1...f2
- 2.Qf3#
- 2.Qg3#
- 1...Se7!
- threat
- 1.Sf8?
- threat
- 2.Qxf3#
- 1...fxg2
- 2.Qg3#
- 1...f2
- 2.Qf3#
- 2.Qg3#
- 1...Se7!
- threat
- 1.Bxe4?
- threat
- 2.Qxf3#
- 1...fxg2
- 2.Qf3#
- 1...f2
- 2.Qf3#
- 1...Ke2!
- threat
- 1.Rxd5?
- threat
- 2.Qf4#
- 1...Sxd5
- 2.Qxe4#
- 1...exd3
- 2.Qxf3#
- 1...Se2
- 2.Qxe4#
- 1...g5!
- threat
- 1.Qh4?
- threat
- 2.Qf2#
- 1...Sd1
- 2.Qxe4#
- 1...f2
- 2.Qxf2#
- 2.Qg3#
- 2.Qh3#
- 1...h1S!
- threat
- 1.Qg5+?
- 1...Sf4
- 2.Qxf4#
- 1...fxg5!
- 1...Sf4
- 1.Sxe4?
- Keys
- 1.Sxd4!
- threat
- 2.Sc2#
- 1...Kxd4
- 2.Bf2#
- 1...Sb4
- 2.Qxf3#
- threat
- 1.Sxd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- S(b);N_GUARD::QAR1(E),XP(f)
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- P(f);N_GUARD,XB(D)::QAR1(E),XP(d)
- Tries
- Try
- S(F);XP(f)
- Threat
- QAR1(E),XP(d)
- Refutation
- K(c);P-FLIGHT,XB(D)
- Try
- S(G);P_PINP(f)
- Threat
- QAR1(E),XP(d)
- Refutation
- S(g);N_SPINP(f)
- Try
- S(G);P_PINP(f)
- Threat
- QAR1(E),XP(d)
- Refutation
- S(g);N_SPINP(f)
- Try
- S(G);P_PINP(f)
- Threat
- QAR1(E),XP(d)
- Vars
- P(d);OGATEB,XP(C)::QAR2(E)
- Refutation
- S(g);N_SPINP(f)
- Try
- S(G);P_PINP(f)
- Threat
- QAR1(E),XP(d)
- Vars
- P(d);OGATEB,XP(C)::QAR2(E)
- Refutation
- S(g);N_SPINP(f)
- Try
- S(G);P_PINP(f)
- Threat
- QAR1(E),XP(d)
- Vars
- P(d);OGATEB,XP(C)::QAR2(E)
- Refutation
- S(g);N_SPINP(f)
- Try
- B(D);XP(f)
- Threat
- QAR1(E),XP(d)
- Vars
- P(d);XP(C)::QAR1(E)
- P(d);::QAR1(E)
- Refutation
- K(c);P-FLIGHT,P_SPINP(d)
- Try
- R(H);XS(g)
- Threat
- QAB1(E)
- Vars
- S(b);N_GUARD,XR(H)::QAR1(E),XP(f)
- P(f);N_GUARD,XB(D)::QAR1(E),XP(d)
- S(b);N_GUARD::QAR1(E),XP(f)
- Refutation
- P(i);
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- S(b);N_GUARD::QAR1(E),XP(f)
- Refutation
- P(a);
- Try
- Q(E);CHECK
- Vars
- S(g);N_GUARD,P_SPINS(g)::QAB1(E),XS(g)
- Refutation
- P(h);XQ(E)
- Try
- Actual
- S(G);P_PINP(f),XP(e)
- Threat
- S(G)
- Vars
- K(c);P_SPINS(g),S_FLIGHT,XS(G)::B(B)
- S(g);::QAR1(E),XP(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).