MESON Chess Problem Database
Problem Display
PID: 223238 (4R2K/4P3/2P3p1/3pk1p1/1p1N3B/1P6/3Q1PN1/8 w - - 0 1)
Phelps, Francis Bradley
Nashville Daily American, 1886
#2
10 + 5
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Qe3#
- 1...Kf6
- 2.Qf4#
- 1...gxh4
- 2.Qf4#
- 1...g4
- 2.Qf4#
- 1...Ke4
- Tries
- 1.Kg7?
- 1...Ke4
- 2.Qe3#
- 1...gxh4
- 2.Qf4#
- 1...g4
- 2.Qf4#
- 1...Kd6!
- 1...Ke4
- 1.Kh7?
- 1...Ke4
- 2.Qe3#
- 1...Kf6
- 2.Qf4#
- 1...gxh4
- 2.Qf4#
- 1...g4
- 2.Qf4#
- 1...Kd6!
- 1...Ke4
- 1.Kg8?
- 1...Ke4
- 2.Qe3#
- 1...Kf6
- 2.Qf4#
- 2.Qxg5#
- 1...gxh4
- 2.Qf4#
- 1...g4
- 2.Qf4#
- 1...Kd6!
- 1...Ke4
- 1.Bg3+?
- 1...Ke4
- 2.Qe3#
- 2.f3#
- 1...Kf6!
- 1...Ke4
- 1.Bxg5?
- threat
- 2.Qf4#
- 1...Ke4
- 2.Qe3#
- 1...Kd6!
- threat
- 1.Rd8?
- 1...Ke4
- 2.Qe3#
- 2.e8Q#
- 2.e8R#
- 1...gxh4
- 2.Qf4#
- 1...g4
- 2.Qe3#
- 2.Qf4#
- 2.e8Q#
- 2.e8R#
- 1...Kf6!
- 1...Ke4
- 1.Rf8?
- 1...Ke4
- 2.Qe3#
- 2.e8Q#
- 2.e8R#
- 1...gxh4
- 2.Qf4#
- 1...g4
- 2.Qf4#
- 1...Kd6!
- 1...Ke4
- 1.Qe1+?
- 1...Kxd4
- 2.Qe3#
- 1...Kf6
- 2.Rf8#
- 2.Qe6#
- 1...Kd6!
- 1...Kxd4
- 1.Qe3+?
- 1...Kf6
- 2.Rf8#
- 2.Qf4#
- 2.Qe6#
- 1...Kd6!
- 1...Kf6
- 1.Qxg5+?
- 1...Kxd4
- 2.Qe3#
- 1...Ke4
- 2.Qe3#
- 1...Kd6!
- 1...Kxd4
- 1.Qe2+?
- 1...Kxd4
- 2.Qe3#
- 1...Kf6
- 2.Rf8#
- 2.Qe6#
- 1...Kd6!
- 1...Kxd4
- 1.f3?
- 1...Kf6
- 2.Qf4#
- 1...gxh4
- 2.Qf4#
- 1...g4
- 2.Qf4#
- 1...Kd6!
- 1...Kf6
- 1.c7?
- 1...Ke4
- 2.Qe3#
- 1...Kf6
- 2.Qf4#
- 1...gxh4
- 2.Qf4#
- 1...g4
- 2.Qf4#
- 1...Kd6!
- 1...Ke4
- 1.Kg7?
- Keys
- 1.Qc1!
- 1...Kxd4
- 2.Qe3#
- 1...Ke4
- 2.Qe3#
- 1...Kd6
- 2.Bg3#
- 1...Kf6
- 2.Qf4#
- 1...gxh4
- 2.Qf4#
- 1...g4
- 2.Qf4#
- 1...Kxd4
- 1.Qc1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(c);P-FLIGHT::QAR1(A)
- K(c);P_SPINP(d),S_FLIGHT::QAR2(A)
- P(d);N_GUARD,XB(F)::QAB1(A)
- P(d);N_GUARD::QAB1(A)
- Tries
- Try
- K(J);S_FLIGHT
- Vars
- K(c);P-FLIGHT::QAR1(A)
- P(d);N_GUARD,XB(F)::QAB1(A)
- P(d);N_GUARD::QAB1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- K(J);P-FLIGHT
- Vars
- K(c);P-FLIGHT::QAR1(A)
- K(c);P_SPINP(d),S_FLIGHT::QAR2(A)
- P(d);N_GUARD,XB(F)::QAB1(A)
- P(d);N_GUARD::QAB1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- K(J);P-FLIGHT
- Vars
- K(c);P-FLIGHT::QAR1(A)
- P(d);N_GUARD,XB(F)::QAB1(A)
- P(d);N_GUARD::QAB1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- B(F);CHECK
- Refutation
- K(c);S_FLIGHT
- Try
- B(F);XP(d)
- Threat
- QAB1(A)
- Vars
- K(c);P-FLIGHT::QAR1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- R(I);
- Vars
- P(d);N_GUARD,XB(F)::QAB1(A)
- Refutation
- K(c);P_SPINP(d),S_FLIGHT
- Try
- R(I);
- Vars
- P(d);N_GUARD,XB(F)::QAB1(A)
- P(d);N_GUARD::QAB1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(c);S_FLIGHT,XS(E)::QAB1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(A);CHECK
- Refutation
- K(c);S_FLIGHT
- Try
- Q(A);CHECK,XP(d)
- Vars
- K(c);S_FLIGHT,XS(E)::QAB1(A)
- K(c);P-FLIGHT::QAR1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(c);S_FLIGHT,XS(E)::QAB1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- P(B);
- Vars
- K(c);P_SPINP(d),S_FLIGHT::QAR2(A)
- P(d);N_GUARD,XB(F)::QAB1(A)
- P(d);N_GUARD::QAB1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- P(G);
- Vars
- K(c);P-FLIGHT::QAR1(A)
- K(c);P_SPINP(d),S_FLIGHT::QAR2(A)
- P(d);N_GUARD,XB(F)::QAB1(A)
- P(d);N_GUARD::QAB1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- Q(A);
- Vars
- K(c);S_FLIGHT,XS(E)::QAB1(A)
- K(c);P-FLIGHT::QAR1(A)
- K(c);S_FLIGHT::B(F)
- K(c);P_SPINP(d),S_FLIGHT::QAR2(A)
- P(d);N_GUARD,XB(F)::QAB1(A)
- P(d);N_GUARD::QAB1(A)
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).