MESON Chess Problem Database
Problem Display
PID: 145590 (1QK2n2/1B1p4/3P2PR/5k1n/6pP/2B1R3/1p2N3/8 w - - 0 1)
Janet, Frank
Good Companions (October), 1917
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...Se6
- 2.Be4#
- 1...Sxg6
- 2.Rxh5#
- 1...Sf4
- Tries
- 1.Bh1?
- threat
- 2.Qb5#
- 1...Sxg6
- 2.Rxh5#
- 1...b1Q
- 2.Qxb1#
- 1...b1R
- 2.Qxb1#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...Se6
- 2.Be4#
- 1...g3!
- threat
- 1.Bf3?
- threat
- 2.Qb5#
- 1...Sxg6
- 2.Rxh5#
- 1...b1Q
- 2.Qxb1#
- 1...b1R
- 2.Qxb1#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...Se6
- 2.Be4#
- 1...gxf3!
- threat
- 1.Ba6?
- threat
- 2.Bd3#
- 2.Qb5#
- 1...Sxg6
- 2.Bd3#
- 2.Rxh5#
- 1...b1Q
- 2.Qxb1#
- 1...b1B
- 2.Qxb1#
- 2.Qb5#
- 1...b1R
- 2.Bd3#
- 2.Qxb1#
- 1...Sg3
- 2.Qb5#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...Se6
- 2.Bd3#
- 1...g3!
- threat
- 1.Ba8?
- threat
- 2.Qb5#
- 1...Sxg6
- 2.Rxh5#
- 1...b1Q
- 2.Qxb1#
- 1...b1R
- 2.Qxb1#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...Se6
- 2.Be4#
- 1...g3!
- threat
- 1.Qa7?
- threat
- 2.Qc5#
- 2.Qa5#
- 1...Sxg6
- 2.Rxh5#
- 1...b1Q
- 2.Qc5#
- 1...b1R
- 2.Qc5#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...Se6
- 2.Be4#
- 1...g3!
- threat
- 1.Qc7?
- threat
- 2.Qa5#
- 2.Qc5#
- 1...Sxg6
- 2.Rxh5#
- 2.Qxd7#
- 1...b1Q
- 2.Qc5#
- 1...b1R
- 2.Qc5#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...Se6
- 2.Be4#
- 1...g3!
- threat
- 1.g7?
- threat
- 2.Be4#
- 2.Re5#
- 1...b1Q
- 2.Re5#
- 1...b1B
- 2.Re5#
- 1...Sg3
- 2.Re5#
- 2.Rf6#
- 2.gxf8Q#
- 2.gxf8R#
- 1...Sf6
- 2.Re5#
- 2.Rxf6#
- 1...Sg6
- 2.Rxh5#
- 1...g3!
- threat
- 1.Bh1?
- Keys
- 1.Bg2!
- threat
- 2.Qb5#
- 1...Sxg6
- 2.Rxh5#
- 1...g3
- 2.Bh3#
- 1...b1Q
- 2.Qxb1#
- 1...b1R
- 2.Qxb1#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...Se6
- 2.Be4#
- threat
- 1.Bg2!
This is after 145589
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD,SBLOCK::S(A)
- S(d);SBLOCK::R1(C)
- S(f);SBLOCK::B(H)
- S(f);SBLOCK,XP(F)::R(G),XS(d)
- Tries
- Try
- B(H);
- Threat
- QAR(I)
- Vars
- S(f);SBLOCK,XP(F)::R(G),XS(d)
- P(a);OGATE::QAB(I),XQ(a)
- P(a);OGATE::QAB(I),XR(a)
- S(d);N_GUARD,SBLOCK::S(A)
- S(d);SBLOCK::R1(C)
- S(f);SBLOCK::B(H)
- Refutation
- P(b);
- Try
- B(H);
- Threat
- QAR(I)
- Vars
- S(f);SBLOCK,XP(F)::R(G),XS(d)
- P(a);OGATE::QAB(I),XQ(a)
- P(a);OGATE::QAB(I),XR(a)
- S(d);N_GUARD,SBLOCK::S(A)
- S(d);SBLOCK::R1(C)
- S(f);SBLOCK::B(H)
- Refutation
- P(b);XB(H)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- P(a);OGATE::QAB(I),XQ(a)
- S(d);::QAR(I)
- S(d);N_GUARD,SBLOCK::S(A)
- S(d);SBLOCK::R1(C)
- S(f);::B(H)
- Refutation
- P(b);
- Try
- B(H);
- Threat
- QAR(I)
- Vars
- S(f);SBLOCK,XP(F)::R(G),XS(d)
- P(a);OGATE::QAB(I),XQ(a)
- P(a);OGATE::QAB(I),XR(a)
- S(d);N_GUARD,SBLOCK::S(A)
- S(d);SBLOCK::R1(C)
- S(f);SBLOCK::B(H)
- Refutation
- P(b);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- S(f);SBLOCK,XP(F)::R(G),XS(d)
- P(a);::QAR(I)
- S(d);N_GUARD,SBLOCK::S(A)
- S(d);SBLOCK::R1(C)
- S(f);SBLOCK::B(H)
- Refutation
- P(b);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- P(a);::QAR(I)
- S(d);N_GUARD,SBLOCK::S(A)
- S(d);SBLOCK::R1(C)
- S(f);SBLOCK::B(H)
- Refutation
- P(b);
- Try
- P(F);
- Threat
- DUALS(2)
- Vars
- P(a);::R1(C)
- S(f);SBLOCK::R(G),XS(d)
- Refutation
- P(b);
- Try
- Actual
- B(H);
- Threat
- QAR(I)
- Vars
- S(f);SBLOCK,XP(F)::R(G),XS(d)
- P(b);OGATEB::B(H)
- P(a);OGATE::QAB(I),XQ(a)
- P(a);OGATE::QAB(I),XR(a)
- S(d);N_GUARD,SBLOCK::S(A)
- S(d);SBLOCK::R1(C)
- S(f);SBLOCK::B(H)
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).