MESON Chess Problem Database
Problem Display
PID: 36843 (6NB/Q1pB4/P1P3n1/3kpN1R/6n1/2bP2P1/1pP5/1K6 w - - 0 1)
Parthasarathy, Dr Mukkur
2nd Comm., BCPS Ring Ty., 1963
#2
12 + 7
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
| 56 | The Problemist | 2012 |
| 133 | The Problemist Supplement | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf2
- 2.Sf6#
- 1...Sh2
- 2.Sf6#
- 1...Se3
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Sf4
- 2.Sge7#
- 1...Sh4
- 2.Sge7#
- 1...Se7
- 2.Sgxe7#
- 1...Sf8
- 2.Sge7#
- 1...Sxh8
- 2.Sge7#
- 1...Be1
- Tries
- 1.Bg7?
- 1...Be1
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf2
- 2.Sf6#
- 1...Sh2
- 2.Sf6#
- 1...Se3
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Sf4
- 2.Sge7#
- 1...Sh4
- 2.Sge7#
- 1...Se7
- 2.Sgxe7#
- 1...Sf8
- 2.Sge7#
- 1...Sh8
- 2.Sge7#
- 1...e4!
- 1...Be1
- 1.Rh1?
- 1...Sxh8
- 2.Sge7#
- 1...Be1
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf2
- 2.Sf6#
- 1...Sh2
- 2.Sf6#
- 1...Se3
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Sf4
- 2.Sge7#
- 1...Sh4
- 2.Sge7#
- 1...Se7
- 2.Sgxe7#
- 1...Sf8
- 2.Sge7#
- 1...e4!
- 1...Sxh8
- 1.Rh2?
- 1...Sxh2
- 2.Sf6#
- 1...Sxh8
- 2.Sge7#
- 1...Be1
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf2
- 2.Sf6#
- 1...Se3
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Sf4
- 2.Sge7#
- 1...Sh4
- 2.Sge7#
- 1...Se7
- 2.Sgxe7#
- 1...Sf8
- 2.Sge7#
- 1...e4!
- 1...Sxh2
- 1.Rh3?
- 1...Sxh8
- 2.Sge7#
- 1...Be1
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf2
- 2.Sf6#
- 1...Sh2
- 2.Sf6#
- 1...Se3
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Sf4
- 2.Sge7#
- 1...Sh4
- 2.Sge7#
- 1...Se7
- 2.Sgxe7#
- 1...Sf8
- 2.Sge7#
- 1...e4!
- 1...Sxh8
- 1.Rh4?
- 1...Sxh4
- 2.Sge7#
- 1...Sxh8
- 2.Sge7#
- 1...Be1
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf2
- 2.Sf6#
- 1...Sh2
- 2.Sf6#
- 1...Se3
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Sf4
- 2.Sge7#
- 1...Se7
- 2.Sgxe7#
- 1...Sf8
- 2.Sge7#
- 1...e4!
- 1...Sxh4
- 1.Rg5?
- 1...Sxh8
- 2.Sge7#
- 1...Be1
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf2
- 2.Sf6#
- 1...Sh2
- 2.Sf6#
- 1...Se3
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Sf4
- 2.Sge7#
- 1...Sh4
- 2.Sge7#
- 1...Se7
- 2.Sgxe7#
- 1...Sf8
- 2.Sge7#
- 1...e4!
- 1...Sxh8
- 1.Rh6?
- 1...Sxh6
- 2.Sf6#
- 1...Sxh8
- 2.Sfe7#
- 2.Sge7#
- 1...Be1
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf2
- 2.Sf6#
- 1...Sh2
- 2.Sf6#
- 1...Se3
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sf4
- 2.Sfe7#
- 2.Sge7#
- 1...Sh4
- 2.Sfe7#
- 2.Sge7#
- 1...Se7
- 2.Sfxe7#
- 2.Sgxe7#
- 1...Sf8
- 2.Sfe7#
- 2.Sge7#
- 1...e4!
- 1...Sxh6
- 1.Rh7?
- 1...Sxh8
- 2.Sge7#
- 1...Be1
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf2
- 2.Sf6#
- 1...Sh2
- 2.Sf6#
- 1...Se3
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Sf4
- 2.Sge7#
- 1...Sh4
- 2.Sge7#
- 1...Se7
- 2.Sgxe7#
- 1...Sf8
- 2.Sge7#
- 1...e4!
- 1...Sxh8
- 1.Qb6?
- threat
- 2.Qb5#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...cxb6!
- threat
- 1.Bg7?
- Keys
- 1.Bxe5!
- 1...Kxe5
- 2.Qc5#
- 1...Bxe5
- 2.c4#
- 1...S4xe5
- 2.Sf6#
- 1...S6xe5
- 2.Sge7#
- 1...Be1
- 2.Qd4#
- 1...Bd2
- 2.Qd4#
- 1...Bb4
- 2.Qd4#
- 1...Bd4
- 2.Qxd4#
- 1...Ba5
- 2.Qd4#
- 1...Sf2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sf6
- 2.Se3#
- 1...Sh6
- 2.Se3#
- 1...Sf4
- 2.Sfe7#
- 1...Sh4
- 2.Sfe7#
- 1...Se7
- 2.Sfxe7#
- 1...Sf8
- 2.Sfe7#
- 1...Sh8
- 2.Sfe7#
- 1...Kxe5
- 1.Bxe5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 15
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- B(b);OGATE::P(B)
- S(c);N_GUARD::S(K)
- S(c);N_GUARD::S(K),XS(c)
- S(f);N_GUARD::S(K)
- S(f);N_GUARD::S(K),XS(f)
- S(f);N_GUARD,XB(L)::S(K)
- Tries
- Try
- B(L);
- Vars
- B(b);OGATE::P(B)
- S(c);N_GUARD::S(K)
- S(c);N_GUARD::S(K),XS(c)
- S(f);N_GUARD::S(K)
- S(f);N_GUARD::S(K),XS(f)
- Refutation
- P(e);
- Try
- R(F);
- Vars
- S(f);N_GUARD,XB(L)::S(K)
- B(b);OGATE::P(B)
- S(c);N_GUARD::S(K)
- S(c);N_GUARD::S(K),XS(c)
- S(f);N_GUARD::S(K)
- S(f);N_GUARD::S(K),XS(f)
- Refutation
- P(e);
- Try
- R(F);
- Vars
- S(c);N_GUARD,XR(F)::S(K)
- S(f);N_GUARD,XB(L)::S(K)
- B(b);OGATE::P(B)
- S(c);N_GUARD::S(K)
- S(c);N_GUARD::S(K),XS(c)
- S(f);N_GUARD::S(K)
- S(f);N_GUARD::S(K),XS(f)
- Refutation
- P(e);
- Try
- R(F);
- Vars
- S(f);N_GUARD,XB(L)::S(K)
- B(b);OGATE::P(B)
- S(c);N_GUARD::S(K)
- S(c);N_GUARD::S(K),XS(c)
- S(f);N_GUARD::S(K)
- S(f);N_GUARD::S(K),XS(f)
- Refutation
- P(e);
- Try
- R(F);
- Vars
- S(f);N_GUARD,XR(F)::S(K)
- S(f);N_GUARD,XB(L)::S(K)
- B(b);OGATE::P(B)
- S(c);N_GUARD::S(K)
- S(c);N_GUARD::S(K),XS(c)
- S(f);N_GUARD::S(K)
- S(f);N_GUARD::S(K),XS(f)
- Refutation
- P(e);
- Try
- R(F);
- Vars
- S(f);N_GUARD,XB(L)::S(K)
- B(b);OGATE::P(B)
- S(c);N_GUARD::S(K)
- S(c);N_GUARD::S(K),XS(c)
- S(f);N_GUARD::S(K)
- S(f);N_GUARD::S(K),XS(f)
- Refutation
- P(e);
- Try
- R(F);
- Vars
- S(c);N_GUARD,XR(F)::S(K)
- B(b);OGATE::P(B)
- S(c);N_GUARD::S(K)
- S(c);N_GUARD::S(K),XS(c)
- Refutation
- P(e);
- Try
- R(F);
- Vars
- S(f);N_GUARD,XB(L)::S(K)
- B(b);OGATE::P(B)
- S(c);N_GUARD::S(K)
- S(c);N_GUARD::S(K),XS(c)
- S(f);N_GUARD::S(K)
- S(f);N_GUARD::S(K),XS(f)
- Refutation
- P(e);
- Try
- Q(I);
- Threat
- QAR2(I)
- Vars
- B(b);OGATE::P(B)
- Refutation
- P(g);XQ(I)
- Try
- Actual
- B(L);XP(e)
- Vars
- K(d);P-FLIGHT,XB(L)::QAR2(I)
- B(b);OGATE,SBLOCK,XB(L)::P(B)
- S(c);N_GUARD,SBLOCK,XB(L)::S(K)
- S(f);N_GUARD,SBLOCK,XB(L)::S(K)
- B(b);N_GUARD::QAR1(I)
- B(b);N_GUARD::QAR1(I),XB(b)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- S(f);N_GUARD::S(E)
- S(f);N_GUARD::S(E),XS(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).