MESON Chess Problem Database
Problem Display
PID: 137521 (4R3/1P2n3/Q2P1p2/1NPkNP2/2Rp1PP1/8/1pnK4/1B6 w - - 0 1)
Parthasarathy, Dr Mukkur
3rd Prize, BCF 110. Ty., 1965-1966
#2
13 + 6
| 3713 | Snap | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Rxd4#
- 1...Sa1
- 2.Sc7#
- 1...Se1
- 2.Sc7#
- 1...Sa3
- 2.Sc7#
- 1...Se3
- 2.Sc7#
- 1...Sb4
- 2.Sc7#
- 1...Sxf5
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sg6
- 2.Qc6#
- 1...Sc8
- 2.Qc6#
- 1...Sg8
- 2.Qc6#
- 1...d3
- 2.Sc3#
- 2.Sc7#
- 1...Ke4
- Tries
- 1.Sg6?
- 1...Ke4
- 2.Qc6#
- 1...Sxf5
- 2.Sc7#
- 1...Sxg6
- 2.Sc7#
- 1...Sa1
- 2.Sc7#
- 1...Se1
- 2.Sc7#
- 1...Sa3
- 2.Sc7#
- 1...Se3
- 2.Sc7#
- 1...Sb4
- 2.Sc7#
- 1...Sc6
- 2.Sc7#
- 1...Sc8
- 2.Sc7#
- 1...Sg8
- 2.Sc7#
- 1...d3
- 2.Sc3#
- 2.Sc7#
- 1...Kxc4!
- 1...Ke4
- 1.Rxd4+?
- 1...Kxc5
- 2.Sd3#
- 2.Sd7#
- 1...Sxd4!
- 1...Kxc5
- 1.Rxe7?
- threat
- 2.Qc6#
- 1...Ke4
- 2.Rxd4#
- 1...Sb4
- 2.Sc7#
- 1...fxe5!
- threat
- 1.Qa3?
- threat
- 2.Qf3#
- 1...Ke4
- 2.Rxd4#
- 2.Qf3#
- 1...Sxa3
- 2.Sc7#
- 1...Se1
- 2.Sc7#
- 2.Rxd4#
- 1...Se3
- 2.Sc7#
- 2.Rxd4#
- 1...d3
- 2.Sc3#
- 2.Sc7#
- 1...fxe5!
- threat
- 1.Qb6?
- 1...Ke4
- 2.Rxd4#
- 1...Sxf5
- 2.Qc6#
- 1...Sa1
- 2.Sc7#
- 2.Rxd4#
- 1...Se1
- 2.Sc7#
- 2.Rxd4#
- 1...Sa3
- 2.Sc7#
- 2.Rxd4#
- 1...Se3
- 2.Sc7#
- 2.Rxd4#
- 1...Sb4
- 2.Sc7#
- 2.Rxd4#
- 1...Sc6
- 2.Qxc6#
- 1...Sg6
- 2.Qc6#
- 1...Sc8
- 2.Qc6#
- 1...Sg8
- 2.Qc6#
- 1...d3
- 2.Sc3#
- 2.Sc7#
- 1...fxe5!
- 1...Ke4
- 1.dxe7?
- threat
- 2.Qc6#
- 1...Ke4
- 2.Rxd4#
- 1...Sb4
- 2.Sc7#
- 2.Rd8#
- 2.Qd6#
- 2.Qe6#
- 1...fxe5!
- threat
- 1.d7?
- 1...Ke4
- 2.Rxd4#
- 1...Sxf5
- 2.Qc6#
- 1...Sa1
- 2.Sc7#
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Se1
- 2.Sc7#
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Sa3
- 2.Sc7#
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Se3
- 2.Sc7#
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Sb4
- 2.Sc7#
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Sc6
- 2.Qxc6#
- 1...Sg6
- 2.Qc6#
- 1...Sc8
- 2.Qc6#
- 1...Sg8
- 2.Qc6#
- 1...d3
- 2.Sc3#
- 2.Sc7#
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...fxe5!
- 1...Ke4
- 1.b8Q?
- 1...Ke4
- 2.Rxd4#
- 1...Sxf5
- 2.Qab7#
- 2.Qc6#
- 2.Qaa8#
- 2.Qbb7#
- 2.Qba8#
- 1...Sa1
- 2.Sc7#
- 1...Se1
- 2.Sc7#
- 1...Sa3
- 2.Sc7#
- 1...Se3
- 2.Sc7#
- 1...Sb4
- 2.Sc7#
- 1...Sc6
- 2.Qxc6#
- 1...Sg6
- 2.Qab7#
- 2.Qc6#
- 2.Qaa8#
- 2.Qbb7#
- 2.Qba8#
- 1...Sc8
- 2.Qab7#
- 2.Qc6#
- 2.Qaa8#
- 2.Qbb7#
- 2.Qba8#
- 1...Sg8
- 2.Qab7#
- 2.Qc6#
- 2.Qaa8#
- 2.Qbb7#
- 2.Qba8#
- 1...d3
- 2.Sc3#
- 2.Sc7#
- 1...fxe5!
- 1...Ke4
- 1.b8S?
- 1...Ke4
- 2.Rxd4#
- 1...Sxf5
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...Sa1
- 2.Sc7#
- 1...Se1
- 2.Sc7#
- 1...Sa3
- 2.Sc7#
- 1...Se3
- 2.Sc7#
- 1...Sb4
- 2.Sc7#
- 1...Sc6
- 2.Qxc6#
- 1...Sg6
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...Sc8
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...Sg8
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...d3
- 2.Sc3#
- 2.Sc7#
- 1...fxe5!
- 1...Ke4
- 1.b8B?
- 1...Ke4
- 2.Rxd4#
- 1...Sxf5
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...Sa1
- 2.Sc7#
- 1...Se1
- 2.Sc7#
- 1...Sa3
- 2.Sc7#
- 1...Se3
- 2.Sc7#
- 1...Sb4
- 2.Sc7#
- 1...Sc6
- 2.Qxc6#
- 1...Sg6
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...Sc8
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...Sg8
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...d3
- 2.Sc3#
- 2.Sc7#
- 1...fxe5!
- 1...Ke4
- 1.b8R?
- 1...Ke4
- 2.Rxd4#
- 1...Sxf5
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...Sa1
- 2.Sc7#
- 1...Se1
- 2.Sc7#
- 1...Sa3
- 2.Sc7#
- 1...Se3
- 2.Sc7#
- 1...Sb4
- 2.Sc7#
- 1...Sc6
- 2.Qxc6#
- 1...Sg6
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...Sc8
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...Sg8
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...d3
- 2.Sc3#
- 2.Sc7#
- 1...fxe5!
- 1...Ke4
- 1.Sg6?
- Keys
- 1.Sd3!
- 1...Kxc4
- 2.Ba2#
- 1...Ke4
- 2.Qc6#
- 1...Sxf5
- 2.Sc7#
- 1...Sa1
- 2.Rxd4#
- 1...Se1
- 2.Rxd4#
- 1...Sa3
- 2.Rxd4#
- 1...Se3
- 2.Rxd4#
- 1...Sb4
- 2.Rxd4#
- 1...Sc6
- 2.Sc7#
- 1...Sg6
- 2.Sc7#
- 1...Sc8
- 2.Sc7#
- 1...Sg8
- 2.Sc7#
- 1...Kxc4
- 1.Sd3!
Anticipated by 50485(1961)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 11
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(d);P_SPINP(c),P_SPINS(b),S_FLIGHT::R1(C),XP(c)
- S(b);::S(F)
- S(f);N_GUARD,XP(I)::QAB1(J)
- S(f);N_GUARD::QAB1(J),XS(f)
- S(f);N_GUARD::QAB1(J)
- Tries
- Try
- S(H);
- Vars
- K(d);P_SPINP(c),P_SPINS(b),S_FLIGHT::QAB(J)
- S(f);XP(I)::S(F)
- S(f);XS(H)::S(F)
- S(b);::S(F)
- S(f);::S(F)
- Refutation
- K(d);S_FLIGHT,XR(C)
- Try
- R(C);CHECK,XP(c)
- Refutation
- S(b);XR(C)
- Try
- R(M);XS(f)
- Threat
- QAB1(J)
- Vars
- K(d);P_SPINP(c),P_SPINS(b),S_FLIGHT::R1(C),XP(c)
- S(b);::S(F)
- Refutation
- P(e);XS(H)
- Try
- Q(J);
- Threat
- QAB(J)
- Vars
- S(b);XQ(J)::S(F)
- Refutation
- P(e);XS(H)
- Try
- Q(J);
- Vars
- K(d);P_SPINP(c),P_SPINS(b),S_FLIGHT::R1(C),XP(c)
- S(f);N_GUARD,XP(I)::QAB1(J)
- S(f);N_GUARD::QAB1(J),XS(f)
- S(f);N_GUARD::QAB1(J)
- Refutation
- P(e);XS(H)
- Try
- P(K);XS(f)
- Threat
- QAB1(J)
- Vars
- K(d);P_SPINP(c),P_SPINS(b),S_FLIGHT::R1(C),XP(c)
- Refutation
- P(e);XS(H)
- Try
- P(K);
- Vars
- K(d);P_SPINP(c),P_SPINS(b),S_FLIGHT::R1(C),XP(c)
- S(f);N_GUARD,XP(I)::QAB1(J)
- S(f);N_GUARD::QAB1(J),XS(f)
- S(f);N_GUARD::QAB1(J)
- Refutation
- P(e);XS(H)
- Try
- P(L);
- Vars
- K(d);P_SPINP(c),P_SPINS(b),S_FLIGHT::R1(C),XP(c)
- S(b);::S(F)
- S(f);N_GUARD::QAB1(J),XS(f)
- Refutation
- P(e);XS(H)
- Try
- P(L);
- Vars
- K(d);P_SPINP(c),P_SPINS(b),S_FLIGHT::R1(C),XP(c)
- S(b);::S(F)
- S(f);N_GUARD::QAB1(J),XS(f)
- Refutation
- P(e);XS(H)
- Try
- P(L);
- Vars
- K(d);P_SPINP(c),P_SPINS(b),S_FLIGHT::R1(C),XP(c)
- S(b);::S(F)
- S(f);N_GUARD::QAB1(J),XS(f)
- Refutation
- P(e);XS(H)
- Try
- P(L);
- Vars
- K(d);P_SPINP(c),P_SPINS(b),S_FLIGHT::R1(C),XP(c)
- S(b);::S(F)
- S(f);N_GUARD::QAB1(J),XS(f)
- Refutation
- P(e);XS(H)
- Try
- Actual
- S(H);
- Vars
- K(d);OGATEB,S_FLIGHT,XR(C)::B(A)
- K(d);P_SPINP(c),P_SPINS(f),S_FLIGHT::QAB(J)
- S(f);XP(I)::S(F)
- S(b);N_GUARD::R1(C),XP(c)
- S(f);::S(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).