MESON Chess Problem Database
Problem Display
PID: 175182 (2KB2B1/6p1/N3N3/2Pk4/P3p1R1/8/b1n3r1/Q7 w - - 0 1)
Lopez-Rincon, J
The Times, 1902
#2
9 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Kc4
- 2.Sf4#
- 1...Kc4
- Tries
- 1.Kb7?
- threat
- 2.Sf4#
- 2.Sg5#
- 2.Sec7#
- 2.Sxg7#
- 2.Sf8#
- 1...Kc4
- 2.Sf4#
- 1...Sd4
- 2.Qxd4#
- 1...Rf2
- 2.Sf4#
- 2.Sec7#
- 1...e3
- 2.Sac7#
- 2.Sg5#
- 2.Sec7#
- 2.Sxg7#
- 2.Sf8#
- 1...g5
- 2.Sf4#
- 2.Sxg5#
- 2.Sec7#
- 2.Sg7#
- 2.Sf8#
- 1...g6
- 2.Sf4#
- 2.Sg5#
- 2.Sec7#
- 2.Sg7#
- 2.Sf8#
- 1...Sxa1!
- threat
- 1.Kc7?
- threat
- 2.Sf4#
- 2.Sg5#
- 2.Sxg7#
- 2.Sf8#
- 1...Kc4
- 2.Sf4#
- 1...Sd4
- 2.Qxd4#
- 1...Rf2
- 2.Sf4#
- 1...e3
- 2.Sg5#
- 2.Sxg7#
- 2.Sf8#
- 1...g5
- 2.Sf4#
- 2.Sxg5#
- 2.Sg7#
- 2.Sf8#
- 1...g6
- 2.Sf4#
- 2.Sg5#
- 2.Sg7#
- 2.Sf8#
- 1...Sxa1!
- threat
- 1.Kd7?
- threat
- 2.Sf4#
- 2.Sg5#
- 2.Sec7#
- 2.Sxg7#
- 2.Sf8#
- 1...Kc4
- 2.Sf4#
- 1...Sd4
- 2.Qxd4#
- 1...Rf2
- 2.Sf4#
- 2.Sec7#
- 1...e3
- 2.Sac7#
- 2.Sg5#
- 2.Sec7#
- 2.Sxg7#
- 2.Sf8#
- 1...g5
- 2.Sf4#
- 2.Sxg5#
- 2.Sec7#
- 2.Sg7#
- 2.Sf8#
- 1...g6
- 2.Sf4#
- 2.Sg5#
- 2.Sec7#
- 2.Sg7#
- 2.Sf8#
- 1...Sxa1!
- threat
- 1.Rg5+?
- 1...Kc4
- 2.Sf4#
- 1...Kc6
- 2.Sb8#
- 1...Rxg5!
- 1...Kc4
- 1.Qd4+?
- 1...Kc6
- 2.Sb8#
- 2.Qd6#
- 2.Qd7#
- 1...Sxd4!
- 1...Kc6
- 1.Qe5+?
- 1...Kc4
- 2.Sf4#
- 1...Kc6
- 2.Sb8#
- 2.Qd6#
- 1...Kxe5!
- 1...Kc4
- 1.Qf6?
- threat
- 2.Sd4#
- 2.Sf4#
- 2.Sg5#
- 2.Sec7#
- 2.Sxg7#
- 2.Sf8#
- 1...Kc4
- 2.Sf4#
- 1...Kc6
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 2.Sf4#
- 2.Sec7#
- 1...e3
- 2.Sd4#
- 2.Sg5#
- 2.Sec7#
- 2.Sxg7#
- 2.Sf8#
- 1...g5
- 2.Sd4#
- 2.Sf4#
- 2.Sxg5#
- 2.Sec7#
- 2.Sg7#
- 2.Sf8#
- 1...g6
- 2.Sd4#
- 2.Sf4#
- 2.Sg5#
- 2.Sec7#
- 2.Sg7#
- 2.Sf8#
- 1...gxf6!
- threat
- 1.Qxg7?
- threat
- 2.Sd4#
- 1...Kc4
- 2.Sf4#
- 1...Kc6
- 2.Qb7#
- 2.Qd7#
- 1...Sd4
- 2.Sxd4#
- 1...Rf2!
- threat
- 1.Qxa2+?
- 1...Kc6
- 2.Sb8#
- 1...Ke5!
- 1...Kc6
- 1.Kb7?
- Keys
- 1.Bf6!
- threat
- 2.Sd4#
- 2.Sd8#
- 1...Kc4
- 2.Sf4#
- 1...Kc6
- 2.Sd8#
- 1...gxf6
- 2.Sd8#
- 1...Sd4
- 2.Sxd4#
- threat
- 1.Bf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(e);P_SPINP(d),S_FLIGHT::B(I)+S(F)
- Tries
- Try
- K(G);S_FLIGHT
- Threat
- DUALS(5)
- Vars
- K(e);P_SPINP(d),S_FLIGHT::B(I)+S(F)
- S(b);N_GUARD::QAR1(A),XS(b)
- Refutation
- S(b);XQ(A)
- Try
- K(G);P-FLIGHT
- Threat
- DUALS(4)
- Vars
- K(e);P_SPINP(d),S_FLIGHT::B(I)+S(F)
- S(b);N_GUARD::QAR1(A),XS(b)
- R(c);::B(I)+S(F),DCHECK
- Refutation
- S(b);XQ(A)
- Try
- K(G);S_FLIGHT
- Threat
- DUALS(5)
- Vars
- K(e);P_SPINP(d),S_FLIGHT::B(I)+S(F)
- S(b);N_GUARD::QAR1(A),XS(b)
- Refutation
- S(b);XQ(A)
- Try
- R(C);CHECK
- Vars
- K(e);S_FLIGHT::B(I)+S(F)
- K(e);S_FLIGHT::S(E)
- Refutation
- R(c);XR(C)
- Try
- Q(A);CHECK
- Refutation
- S(b);XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(e);P_SPINP(d),S_FLIGHT::B(I)+S(F)
- Refutation
- K(e);P-FLIGHT,XQ(A)
- Try
- Q(A);
- Threat
- DUALS(6)
- Vars
- K(e);P_SPINP(d),S_FLIGHT::B(I)+S(F)
- K(e);S_FLIGHT::QAR(A)+S(F),DCHECK
- Refutation
- P(f);XQ(A)
- Try
- Q(A);XP(f)
- Threat
- B(I)+S(F)
- Vars
- K(e);P_SPINP(d),S_FLIGHT::B(I)+S(F)
- S(b);::B(I)+S(F),XS(b)
- Refutation
- R(c);
- Try
- Q(A);CHECK,XB(a)
- Vars
- K(e);S_FLIGHT::S(E)
- Refutation
- K(e);P-FLIGHT
- Try
- Actual
- B(H);
- Threat
- DUALS(2)
- Vars
- K(e);P_SPINP(d),S_FLIGHT::B(I)+S(F)
- K(e);S_FLIGHT::S(F)
- P(f);XB(H)::B(I)+S(F)
- S(b);::B(I)+S(F),XS(b)
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).