MESON Chess Problem Database
Problem Display
PID: 71133 (3B4/1RK1N3/4p3/4k2P/4p3/3nNb2/1P3Q2/3R4 w - - 0 1)
Bogan, JW
Source?, 0000
#2
9 + 5
| 5656 | Sammlung Leichterer Schachaufgaben I (Dufresne) | 1881 |
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Sg6#
- 1...Bxd1
- 2.Sc4#
- 2.Sc6#
- 1...Bh1
- 2.Sc4#
- 2.Sg4#
- 2.Sc6#
- 1...Be2
- 2.Sc4#
- 2.Sc6#
- 1...Bg2
- 2.Sc4#
- 2.Sg4#
- 2.Sc6#
- 1...Bg4
- 2.Sc4#
- 2.Sxg4#
- 2.Sc6#
- 1...Bxh5
- 2.Sc4#
- 2.Sc6#
- 1...Sc1
- 2.Sg6#
- 1...Se1
- 2.Sg6#
- 1...Sxb2
- 2.Sg6#
- 1...Sxf2
- 2.Sg6#
- 1...Sb4
- 2.Sg6#
- 1...Sf4
- 2.Sc6#
- 1...Sc5
- 2.Sg6#
- 1...Kf4
- Tries
- 1.Kb8?
- 1...Kf4
- 2.Sg6#
- 1...Kd6
- 2.Sc4#
- 1...Kf6
- 2.Sc6#
- 2.Sg6#
- 1...Bxd1
- 2.Sc4#
- 1...Bxh5
- 2.Sc4#
- 1...Sxb2
- 2.Sg6#
- 1...Sxf2
- 2.Sg6#
- 1...Bh1
- 2.Sc4#
- 1...Be2
- 2.Sc4#
- 1...Bg2
- 2.Sc4#
- 1...Bg4
- 2.Sc4#
- 1...Sc1
- 2.Sg6#
- 1...Se1
- 2.Sg6#
- 1...Sb4
- 2.Sg6#
- 1...Sf4
- 2.Sc6#
- 1...Sc5
- 2.Sg6#
- 1...Kd4!
- 1...Kf4
- 1.Kc8?
- 1...Kf4
- 2.Sg6#
- 1...Kd6
- 2.Sc4#
- 1...Kf6
- 2.Sc6#
- 2.Sg6#
- 1...Bxd1
- 2.Sc4#
- 1...Bxh5
- 2.Sc4#
- 1...Sxb2
- 2.Sg6#
- 1...Sxf2
- 2.Sg6#
- 1...Bh1
- 2.Sc4#
- 1...Be2
- 2.Sc4#
- 1...Bg2
- 2.Sc4#
- 1...Bg4
- 2.Sc4#
- 1...Sc1
- 2.Sg6#
- 1...Se1
- 2.Sg6#
- 1...Sb4
- 2.Sg6#
- 1...Sf4
- 2.Sc6#
- 1...Sc5
- 2.Sg6#
- 1...Kd4!
- 1...Kf4
- 1.Rb4?
- threat
- 2.Sg6#
- 1...Kf4
- 2.Sg6#
- 1...Bxh5
- 2.Sc4#
- 2.Sc6#
- 1...Sf4
- 2.Sc6#
- 1...Kf6!
- threat
- 1.Rb5+?
- 1...Kd4
- 2.Sc6#
- 1...Kf4
- 2.Sg6#
- 1...Sc5
- 2.Sg6#
- 1...Kf6!
- 1...Kd4
- 1.Kb8?
- Keys
- 1.Kb6!
- 1...Kd4
- 2.Sc6#
- 1...Kf4
- 2.Sg6#
- 1...Kd6
- 2.Sc4#
- 1...Kf6
- 2.Sc6#
- 2.Sg6#
- 1...Bxd1
- 2.Sc4#
- 1...Bxh5
- 2.Sc4#
- 1...Sxb2
- 2.Sg6#
- 1...Sxf2
- 2.Sg6#
- 1...Bh1
- 2.Sc4#
- 1...Be2
- 2.Sc4#
- 1...Bg2
- 2.Sc4#
- 1...Bg4
- 2.Sc4#
- 1...Sc1
- 2.Sg6#
- 1...Se1
- 2.Sg6#
- 1...Sb4
- 2.Sg6#
- 1...Sf4
- 2.Sc6#
- 1...Sc5
- 2.Sg6#
- 1...Kd4
- 1.Kb6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- K(d);P_SPINB(b),S_FLIGHT::S(H)
- S(a);::S(H)
- S(a);XP(B)::S(H)
- S(a);XQ(C)::S(H)
- S(a);SBLOCK::S(H)
- Tries
- Try
- K(G);S_FLIGHT
- Vars
- K(d);P_SPINB(b),S_FLIGHT::S(H)
- K(d);P_SPINS(a),S_FLIGHT::S(D)
- B(b);XR(A)::S(D)
- B(b);XP(E)::S(D)
- S(a);XP(B)::S(H)
- S(a);XQ(C)::S(H)
- B(b);::S(D)
- S(a);::S(H)
- S(a);SBLOCK::S(H)
- Refutation
- K(d);P_SPINS(a),S_FLIGHT
- Try
- K(G);P-FLIGHT
- Vars
- K(d);P_SPINB(b),S_FLIGHT::S(H)
- K(d);P_SPINS(a),S_FLIGHT::S(D)
- B(b);XR(A)::S(D)
- B(b);XP(E)::S(D)
- S(a);XP(B)::S(H)
- S(a);XQ(C)::S(H)
- B(b);::S(D)
- S(a);::S(H)
- S(a);SBLOCK::S(H)
- Refutation
- K(d);P_SPINS(a),S_FLIGHT
- Try
- R(F);
- Threat
- S(H)
- Vars
- K(d);P_SPINB(b),P_SPINP(c),S_FLIGHT::S(H)
- S(a);SBLOCK::S(H)
- Refutation
- K(d);P_SPINB(b),S_FLIGHT
- Try
- R(F);CHECK
- Vars
- K(d);P_SPINS(a),S_FLIGHT::S(H)
- K(d);P_SPINB(b),S_FLIGHT::S(H)
- S(a);P_SPINS(a)::S(H)
- Refutation
- K(d);P_SPINB(b),S_FLIGHT
- Try
- Actual
- K(G);S_FLIGHT
- Vars
- K(d);P_SPINS(a),S_FLIGHT::S(H)
- K(d);P_SPINB(b),S_FLIGHT::S(H)
- K(d);P_SPINS(a),S_FLIGHT::S(D)
- B(b);XR(A)::S(D)
- B(b);XP(E)::S(D)
- S(a);XP(B)::S(H)
- S(a);XQ(C)::S(H)
- B(b);::S(D)
- S(a);::S(H)
- S(a);SBLOCK::S(H)
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).