MESON Chess Problem Database
Problem Display
PID: 108017 (2n5/5K1B/5p2/2B2N2/1pk5/1NpR4/Q7/8 w - - 0 1)
Dunham, SC
Washington Star, 1892
#2
7 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sb6
- 2.Sd6#
- 1...Sd6+
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...c2
- 2.Qa6#
- 1...Sb6
- Tries
- 1.Kxf6?
- 1...Kxd3
- 2.Se3#
- 2.Sd6#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...c2
- 2.Qa6#
- 1...Kb5!
- 1...Kxd3
- 1.Bg1?
- 1...Sd6+
- 2.Sxd6#
- 1...Kxd3
- 2.Sc5#
- 1...Sb6
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...c2
- 2.Qa6#
- 1...Kb5!
- 1...Sd6+
- 1.Bf2?
- 1...Sd6+
- 2.Sxd6#
- 1...Kxd3
- 2.Sc5#
- 1...Sb6
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...c2
- 2.Qa6#
- 1...Kb5!
- 1...Sd6+
- 1.Be3?
- 1...Sd6+
- 2.Sxd6#
- 1...Kxd3
- 2.Sc5#
- 1...Sb6
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...c2
- 2.Qa6#
- 1...Kb5!
- 1...Sd6+
- 1.Bb6?
- 1...Sd6+
- 2.Sxd6#
- 1...Kxd3
- 2.Sc5#
- 1...Sxb6
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...c2
- 2.Qa6#
- 1...Kb5!
- 1...Sd6+
- 1.Be7?
- 1...Sd6+
- 2.Sxd6#
- 1...Kxd3
- 2.Sc5#
- 1...Sxe7
- 2.Sd6#
- 1...Sb6
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...c2
- 2.Qa6#
- 1...Kb5!
- 1...Sd6+
- 1.Bf8?
- 1...Sd6+
- 2.Sxd6#
- 1...Kxd3
- 2.Sc5#
- 1...Sb6
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...c2
- 2.Qa6#
- 1...Kb5!
- 1...Sd6+
- 1.Qc2?
- 1...Sd6+
- 2.Sxd6#
- 1...Sb6
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...Kb5!
- 1...Sd6+
- 1.Qa4?
- threat
- 2.Se3#
- 2.Rd4#
- 1...Sd6+
- 2.Sxd6#
- 1...c2
- 2.Se3#
- 2.Qa6#
- 1...Kxd3!
- threat
- 1.Kxf6?
- Keys
- 1.Ba7!
- 1...Sd6+
- 2.Sxd6#
- 1...Kxd3
- 2.Sc5#
- 1...Kb5
- 2.Sbd4#
- 1...Sxa7
- 2.Sd6#
- 1...Sb6
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...c2
- 2.Qa6#
- 1...Sd6+
- 1.Ba7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(e);N_GUARD::S(E)
- S(e);CHECK,N_GUARD::S(E),XS(e)
- P(a);::QAB(A)
- Tries
- Try
- K(F);P-FLIGHT,XP(d)
- Vars
- S(e);N_GUARD::S(E)
- S(e);N_GUARD::S(E),XS(e)
- P(a);::QAB(A)
- Refutation
- K(c);S_FLIGHT
- Try
- B(D);
- Vars
- S(e);CHECK,N_GUARD::S(E),XS(e)
- K(c);S_FLIGHT,XR(C)::S(B)
- S(e);N_GUARD::S(E)
- P(a);::QAB(A)
- Refutation
- K(c);S_FLIGHT
- Try
- B(D);
- Vars
- S(e);CHECK,N_GUARD::S(E),XS(e)
- K(c);S_FLIGHT,XR(C)::S(B)
- S(e);N_GUARD::S(E)
- P(a);::QAB(A)
- Refutation
- K(c);S_FLIGHT
- Try
- B(D);
- Vars
- S(e);CHECK,N_GUARD::S(E),XS(e)
- K(c);S_FLIGHT,XR(C)::S(B)
- S(e);N_GUARD::S(E)
- P(a);::QAB(A)
- Refutation
- K(c);S_FLIGHT
- Try
- B(D);
- Vars
- S(e);CHECK,N_GUARD::S(E),XS(e)
- K(c);S_FLIGHT,XR(C)::S(B)
- S(e);N_GUARD,XB(D)::S(E)
- S(e);N_GUARD::S(E)
- P(a);::QAB(A)
- Refutation
- K(c);S_FLIGHT
- Try
- B(D);
- Vars
- S(e);CHECK,N_GUARD::S(E),XS(e)
- K(c);S_FLIGHT,XR(C)::S(B)
- S(e);N_GUARD,XB(D)::S(E)
- S(e);N_GUARD::S(E)
- P(a);::QAB(A)
- Refutation
- K(c);S_FLIGHT
- Try
- B(D);
- Vars
- S(e);CHECK,N_GUARD::S(E),XS(e)
- K(c);S_FLIGHT,XR(C)::S(B)
- S(e);N_GUARD::S(E)
- P(a);::QAB(A)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(A);P_PINP(a)
- Vars
- S(e);CHECK,N_GUARD::S(E),XS(e)
- S(e);N_GUARD::S(E)
- Refutation
- K(c);N_SPINP(a),S_FLIGHT
- Try
- Q(A);P_PINP(b)
- Threat
- DUALS(2)
- Vars
- S(e);CHECK,N_GUARD::S(E),XS(e)
- Refutation
- K(c);N_SPINP(b),S_FLIGHT,XR(C)
- Try
- Actual
- B(D);
- Vars
- S(e);CHECK,N_GUARD::S(E),XS(e)
- K(c);S_FLIGHT,XR(C)::S(B)
- K(c);S_FLIGHT::S(B)
- S(e);N_GUARD,XB(D)::S(E)
- S(e);N_GUARD::S(E)
- P(a);::QAB(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).