MESON Chess Problem Database
Problem Display
PID: 194160 (2B4n/5p2/n2B1k2/1p3pR1/4p2P/1PK1pP2/8/Q2b4 w - - 0 1)
Janet, Frank
Brisbane Courier, 1917
#2
8 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bc2
- 2.Kxc2#
- 1...Be2
- 2.Kc2#
- 1...Bxb3
- 2.Kxb3#
- 1...Bxf3
- 2.Kc2#
- 1...Sb4
- 2.Kxb4#
- 1...Sc5
- 2.Kb4#
- 1...Sc7
- 2.Kb4#
- 1...Sb8
- 2.Kb4#
- 1...e2
- 2.Kd2#
- 1...exf3
- 2.Kd3#
- 1...b4+
- 2.Kc4#
- 1...Bc2
- Tries
- 1.Kb2?
- threat
- 2.Kb1#
- 2.Kc1#
- 2.Ka2#
- 2.Ka3#
- 1...Bxb3
- 2.Kb1#
- 2.Kc1#
- 2.Ka3#
- 2.Kxb3#
- 1...Bc2
- 2.Kc1#
- 2.Ka2#
- 2.Kxc2#
- 2.Ka3#
- 1...Sb4
- 2.Kb1#
- 2.Kc1#
- 2.Ka3#
- 1...b4
- 2.Kb1#
- 2.Kc1#
- 2.Ka2#
- 1...Sg6!
- threat
- 1.Kd4?
- threat
- 2.Kxe3#
- 2.Kd5#
- 1...Bxb3
- 2.Kxe3#
- 1...Sb4
- 2.Kxe3#
- 2.Kc5#
- 1...Sc7
- 2.Kxe3#
- 2.Kc5#
- 1...e2
- 2.Ke3#
- 2.Kd5#
- 1...f4
- 2.Kxe4#
- 2.Kd5#
- 1...Sg6!
- threat
- 1.Be7+?
- 1...Ke5
- 2.Rxf5#
- 1...Kxe7!
- 1...Ke5
- 1.Bxf5?
- 1...b4+
- 2.Kc4#
- 1...Bxb3
- 2.Kxb3#
- 1...Bxf3
- 2.Kc2#
- 1...exf3
- 2.Kd3#
- 1...Bc2
- 2.Kxc2#
- 1...Be2
- 2.Kc2#
- 1...Sb4
- 2.Kxb4#
- 1...Sc5
- 2.Kb4#
- 1...Sc7
- 2.Kb4#
- 1...Sb8
- 2.Kb4#
- 1...e2
- 2.Kd2#
- 1...Sg6!
- 1...b4+
- 1.f4?
- 1...b4+
- 2.Kc4#
- 1...Bxb3
- 2.Kxb3#
- 1...Bc2
- 2.Kxc2#
- 1...Be2
- 2.Kc2#
- 1...Bf3
- 2.Kc2#
- 1...Bg4
- 2.Kc2#
- 1...Bh5
- 2.Kc2#
- 1...Sb4
- 2.Kxb4#
- 1...Sc5
- 2.Kb4#
- 1...Sc7
- 2.Kb4#
- 1...Sb8
- 2.Kb4#
- 1...e2
- 2.Kd2#
- 1...Sg6!
- 1...b4+
- 1.Kb2?
- Keys
- 1.Bf8!
- 1...b4+
- 2.Kc4#
- 1...Ke5
- 2.Rxf5#
- 1...Bxb3
- 2.Kxb3#
- 1...Bxf3
- 2.Kc2#
- 1...exf3
- 2.Kd3#
- 1...Bc2
- 2.Kxc2#
- 1...Be2
- 2.Kc2#
- 1...Sb4
- 2.Kxb4#
- 1...Sc5
- 2.Kb4#
- 1...Sc7
- 2.Kb4#
- 1...Sb8
- 2.Kb4#
- 1...Sg6
- 2.Rxf5#
- 1...e2
- 2.Kd2#
- 1...f4
- 2.Qxa6#
- 1...b4+
- 1.Bf8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(a);::QAB(A)+K(C),XB(a)
- B(a);::QAB(A)+K(C)
- B(a);XP(B)::QAB(A)+K(C),XB(a)
- B(a);XP(D)::QAB(A)+K(C)
- S(f);::QAB(A)+K(C),XS(f)
- S(f);::QAB(A)+K(C)
- P(b);::QAB(A)+K(C)
- P(c);XP(D)::QAB(A)+K(C)
- P(d);CHECK::QAB(A)+K(C)
- Tries
- Try
- K(C);S_FLIGHT
- Threat
- DUALS(4)
- Refutation
- S(i);
- Try
- K(C);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- B(a);XP(B)::QAB(A)+K(C),XP(b)
- Refutation
- S(i);
- Try
- B(G);CHECK
- Vars
- K(g);P_SPINP(e),S_FLIGHT::R1(F),XP(e)
- Refutation
- K(g);S_FLIGHT,XB(G)
- Try
- B(H);XP(e)
- Vars
- P(d);CHECK::QAB(A)+K(C)
- B(a);XP(B)::QAB(A)+K(C),XB(a)
- B(a);XP(D)::QAB(A)+K(C)
- P(c);XP(D)::QAB(A)+K(C)
- B(a);::QAB(A)+K(C),XB(a)
- B(a);::QAB(A)+K(C)
- S(f);::QAB(A)+K(C),XS(f)
- S(f);::QAB(A)+K(C)
- P(b);::QAB(A)+K(C)
- Refutation
- S(i);
- Try
- P(D);
- Vars
- P(d);CHECK::QAB(A)+K(C)
- B(a);XP(B)::QAB(A)+K(C),XB(a)
- B(a);::QAB(A)+K(C),XB(a)
- B(a);::QAB(A)+K(C)
- S(f);::QAB(A)+K(C),XS(f)
- S(f);::QAB(A)+K(C)
- P(b);::QAB(A)+K(C)
- Refutation
- S(i);
- Try
- Actual
- B(G);
- Vars
- P(d);CHECK::QAB(A)+K(C)
- K(g);P_SPINP(e),S_FLIGHT::R1(F),XP(e)
- B(a);XP(B)::QAB(A)+K(C),XB(a)
- B(a);XP(D)::QAB(A)+K(C)
- P(c);XP(D)::QAB(A)+K(C)
- B(a);::QAB(A)+K(C),XB(a)
- B(a);::QAB(A)+K(C)
- S(f);::QAB(A)+K(C),XS(f)
- S(f);::QAB(A)+K(C)
- S(i);SBLOCK::R1(F),XP(e)
- P(b);::QAB(A)+K(C)
- P(e);::QAR(A),XS(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).