MESON Chess Problem Database
Problem Display
PID: 69858 (5rn1/b3p1QK/3p1p2/5Bp1/7N/4kP1N/1BR1P3/6r1 w - - 0 1)
Paslack, Rainer
The Problemist Supplement, 2006
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sg2#
- 1...Rb1
- 2.Sg2#
- 1...Rc1
- 2.Sg2#
- 1...Rd1
- 2.Sg2#
- 1...Re1
- 2.Sg2#
- 1...Rf1
- 2.Sg2#
- 1...Rh1
- 2.Sg2#
- 1...Rg2
- 2.Sxg2#
- 1...Sh6
- 2.Qxe7#
- 1...gxh4
- 2.Qxg1#
- 1...e5
- 2.Qxa7#
- 1...e6
- 2.Qxa7#
- 1...Ra1
- Tries
- 1.Bd3?
- threat
- 2.Sf5#
- 1...gxh4
- 2.Qxg1#
- 1...Sh6
- 2.Qxe7#
- 1...e6
- 2.Qxa7#
- 1...f5!
- threat
- 1.Be4?
- threat
- 2.Sf5#
- 1...gxh4
- 2.Qxg1#
- 1...f5
- 2.Qc3#
- 1...e6
- 2.Qxa7#
- 1...Sh6!
- threat
- 1.Bg4?
- threat
- 2.Sf5#
- 1...Sh6
- 2.Qxe7#
- 1...f5
- 2.Qc3#
- 1...e6
- 2.Qxa7#
- 1...gxh4!
- threat
- 1.Be6?
- threat
- 2.Sf5#
- 1...gxh4
- 2.Qxg1#
- 1...f5
- 2.Qc3#
- 1...Sh6!
- threat
- 1.Bg6?
- threat
- 2.Sf5#
- 1...Sh6
- 2.Qxe7#
- 1...f5
- 2.Qc3#
- 1...e6
- 2.Qxa7#
- 1...gxh4!
- threat
- 1.Bd7?
- threat
- 2.Sf5#
- 1...gxh4
- 2.Qxg1#
- 1...Sh6
- 2.Qxe7#
- 1...f5
- 2.Qc3#
- 1...e6!
- threat
- 1.Bd3?
- Keys
- 1.Bc8!
- threat
- 2.Sf5#
- 1...gxh4
- 2.Qxg1#
- 1...Sh6
- 2.Qxe7#
- 1...f5
- 2.Qc3#
- 1...e6
- 2.Qxa7#
- threat
- 1.Bc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::S(F),XR(a)
- S(i);N_GUARD::QAR(H),XP(g)
- P(c);OGATE,XS(F)::QAB(H),XR(a)
- P(g);OGATE::QAB(H),XB(f)
- Tries
- Try
- B(G);
- Threat
- S(F)
- Vars
- P(c);OGATE,XS(F)::QAB(H),XR(a)
- S(i);N_GUARD::QAR(H),XP(g)
- P(g);OGATE::QAB(H),XB(f)
- Refutation
- P(e);
- Try
- B(G);
- Threat
- S(F)
- Vars
- P(c);OGATE,XS(F)::QAB(H),XR(a)
- P(e);OGATE::QAR2(H)
- P(g);OGATE::QAB(H),XB(f)
- Refutation
- S(i);
- Try
- B(G);
- Threat
- S(F)
- Vars
- S(i);N_GUARD::QAR(H),XP(g)
- P(e);OGATE::QAR2(H)
- P(g);OGATE::QAB(H),XB(f)
- Refutation
- P(c);XS(F)
- Try
- B(G);
- Threat
- S(F)
- Vars
- P(c);OGATE,XS(F)::QAB(H),XR(a)
- P(e);OGATE::QAR2(H)
- Refutation
- S(i);
- Try
- B(G);
- Threat
- S(F)
- Vars
- S(i);N_GUARD::QAR(H),XP(g)
- P(e);OGATE::QAR2(H)
- P(g);OGATE::QAB(H),XB(f)
- Refutation
- P(c);XS(F)
- Try
- B(G);
- Threat
- S(F)
- Vars
- P(c);OGATE,XS(F)::QAB(H),XR(a)
- S(i);N_GUARD::QAR(H),XP(g)
- P(e);OGATE::QAR2(H)
- Refutation
- P(g);
- Try
- Actual
- B(G);
- Threat
- S(F)
- Vars
- P(c);OGATE,XS(F)::QAB(H),XR(a)
- S(i);N_GUARD::QAR(H),XP(g)
- P(e);OGATE::QAR2(H)
- P(g);OGATE::QAB(H),XB(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).