MESON Chess Problem Database
Problem Display
PID: 261978 (Q3B3/1K2n3/3bkP2/1N5R/p3NpP1/2Bp4/2n5/5b2 w - - 0 1)
Wiesel, Josef
Problemnoter, 1961
#2
9 + 8
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ba3
- 2.Sc7#
- 2.Re5#
- 1...Bb4
- 2.Sc7#
- 2.Re5#
- 1...Bc5
- 2.Sxc5#
- 2.Sc7#
- 2.Re5#
- 1...Be5
- 2.Rxe5#
- 1...Bc7
- 2.Sc5#
- 2.Sxc7#
- 1...Bb8
- 2.Sc5#
- 1...Sa1
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sd5
- 2.Sg5#
- 2.Qc8#
- 1...Sc6
- 2.Qc8#
- 1...Sg6
- 2.Qc8#
- 1...Sc8
- 2.Qxc8#
- 1...Sg8
- 2.Qc8#
- 1...Ba3
- Tries
- 1.Ka6?
- threat
- 2.Sg5#
- 1...Be5
- 2.Rxe5#
- 1...Sd4
- 2.Sxd4#
- 1...Sc6
- 2.Qc8#
- 1...Sb4+!
- threat
- 1.Bd7+?
- 1...Kf7
- 2.Qe8#
- 1...Kxd7!
- 1...Kf7
- 1.Bf7+?
- 1...Kd7
- 2.Qe8#
- 1...Kxf7!
- 1...Kd7
- 1.Rc5?
- threat
- 2.Sg5#
- 1...Bxc5
- 2.Sc7#
- 1...Be5
- 2.Rxe5#
- 1...Sd4
- 2.Sxd4#
- 1...Bg2!
- threat
- 1.Qa6?
- threat
- 2.Sc5#
- 2.Sc7#
- 2.Re5#
- 2.Qxd6#
- 1...Sf5
- 2.Sc7#
- 1...Bg2
- 2.Sc7#
- 2.Re5#
- 2.Qxd6#
- 1...Sd4
- 2.Sxd4#
- 2.Sc7#
- 2.Qxd6#
- 1...Sd5
- 2.Sc5#
- 2.Sg5#
- 2.Re5#
- 2.Qxd6#
- 1...Sg6
- 2.Sc5#
- 2.Sc7#
- 2.Qxd6#
- 1...Sc8
- 2.Sc5#
- 2.Sc7#
- 2.Re5#
- 1...Sc6!
- threat
- 1.Qb8?
- threat
- 2.Qxd6#
- 1...Bxb8
- 2.Sc5#
- 1...Be5
- 2.Rxe5#
- 2.Qxe5#
- 1...Ba3
- 2.Sc7#
- 2.Re5#
- 2.Qe5#
- 1...Bb4
- 2.Sc7#
- 2.Re5#
- 2.Qe5#
- 1...Bc5
- 2.Sxc5#
- 2.Sc7#
- 2.Re5#
- 2.Qe5#
- 1...Bc7
- 2.Sc5#
- 2.Sxc7#
- 1...Sc8
- 2.Qxc8#
- 1...Sf5!
- threat
- 1.Qd8?
- threat
- 2.Qxd6#
- 2.Qd7#
- 1...Ba3
- 2.Sg5#
- 2.Sc7#
- 2.Re5#
- 2.Qd7#
- 1...Bb4
- 2.Sg5#
- 2.Sc7#
- 2.Re5#
- 2.Qd7#
- 1...Bc5
- 2.Sxc5#
- 2.Sg5#
- 2.Sc7#
- 2.Re5#
- 2.Qd7#
- 1...Be5
- 2.Rxe5#
- 2.Qd7#
- 1...Bc7
- 2.Sc5#
- 2.Sg5#
- 2.Sxc7#
- 2.Qxe7#
- 2.Qd7#
- 1...Bb8
- 2.Sc5#
- 2.Sg5#
- 2.Qxe7#
- 2.Qd7#
- 1...Sc8
- 2.Qd7#
- 2.Qxc8#
- 1...Sf5!
- threat
- 1.Ka6?
- Keys
- 1.Kb6!
- threat
- 2.Sg5#
- 1...Bc5+
- 2.Sxc5#
- 1...Bc7+
- 2.Sxc7#
- 1...Sd5+
- 2.Qxd5#
- 1...Sc8+
- 2.Qxc8#
- 1...Be5
- 2.Rxe5#
- 1...Sd4
- 2.Sxd4#
- 1...Sc6
- 2.Qc8#
- threat
- 1.Kb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- B(f);N_GUARD::R1(E),XB(f)
- B(f);N_GUARD::S(B)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- S(h);N_GUARD::QAB(H)
- S(h);N_GUARD::QAB(H),XS(h)
- Tries
- Try
- K(G);S_FLIGHT
- Threat
- S(B)
- Vars
- B(f);N_GUARD::R1(E),XB(f)
- S(b);N_GUARD::S(D),XS(b)
- S(h);N_GUARD::QAB(H)
- Refutation
- S(b);CHECK
- Try
- B(I);CHECK
- Vars
- K(g);S_FLIGHT::QAB1(H)
- Refutation
- K(g);S_FLIGHT,XB(I)
- Try
- B(I);CHECK
- Vars
- K(g);S_FLIGHT::QAB1(H)
- Refutation
- K(g);S_FLIGHT,XB(I)
- Try
- R(E);
- Threat
- S(B)
- Vars
- B(f);N_GUARD,XR(E)::S(D)
- B(f);N_GUARD::R1(E),XB(f)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- B(a);P_PINS(B)
- Try
- Q(H);P_PINB(f)
- Threat
- DUALS(4)
- Vars
- S(h);::S(D)
- Refutation
- S(h);N_SPINB(f)
- Try
- Q(H);
- Threat
- QAR1(H),XB(f)
- Vars
- B(f);N_GUARD,XQ(H)::S(B)
- S(h);N_GUARD::QAB(H),XS(h)
- Refutation
- S(h);
- Try
- Q(H);
- Threat
- DUALS(2)
- Refutation
- S(h);
- Try
- Actual
- K(G);P-FLIGHT
- Threat
- S(B)
- Vars
- B(f);CHECK,N_GUARD::S(B),XB(f)
- B(f);CHECK,N_GUARD::S(D),XB(f)
- S(h);CHECK,N_GUARD::QAB1(H),XS(h)
- S(h);CHECK,N_GUARD::QAB(H),XS(h)
- B(f);N_GUARD::R1(E),XB(f)
- S(b);N_GUARD::S(D),XS(b)
- S(h);N_GUARD::QAB(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).