MESON Chess Problem Database
Problem Display
PID: 216228 (7B/3p3B/1N1P2np/Kp3k1b/1pr1nNR1/1P4P1/8/3QR3 w - - 0 1)
Pradignat, Emile Leonard
Sammlung Leichterer Schachaufgaben 2 (Dufresne), 1882
#2
11 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bxg4
- 2.Qd5#
- 1...Sd2
- 2.Re5#
- 1...Sf2
- 2.Re5#
- 1...Sc3
- 2.Re5#
- 1...Sxg3
- 2.Re5#
- 1...Sc5
- 2.Re5#
- 1...Sg5
- 2.Re5#
- 1...Sxd6
- 2.Re5#
- 1...Bxg4
- Tries
- 1.Sxc4?
- threat
- 2.Se3#
- 1...Bxg4
- 2.Qd5#
- 1...Sxg3
- 2.Re5#
- 1...Sxd6
- 2.Sxd6#
- 2.Re5#
- 1...Sd2
- 2.Re5#
- 1...Sf2
- 2.Re5#
- 1...Sc3
- 2.Re5#
- 1...Sc5
- 2.Re5#
- 1...Sg5
- 2.Re5#
- 1...Sf6
- 2.Re5#
- 1...bxc4!
- threat
- 1.Sbd5?
- threat
- 2.Se3#
- 2.Se7#
- 1...Sxg3
- 2.Se7#
- 2.Re5#
- 1...Sxd6
- 2.Se7#
- 2.Re5#
- 1...Rc3
- 2.Se7#
- 1...Sd2
- 2.Se7#
- 2.Re5#
- 1...Sf2
- 2.Se7#
- 2.Re5#
- 1...Sc3
- 2.Se7#
- 2.Re5#
- 1...Sc5
- 2.Se7#
- 2.Re5#
- 1...Sg5
- 2.Se7#
- 2.Re5#
- 1...Sf6
- 2.Se7#
- 1...Bxg4!
- threat
- 1.Sc8?
- threat
- 2.Se7#
- 1...Bxg4
- 2.Qd5#
- 1...Rxc8!
- threat
- 1.Rg5+?
- 1...Kxg5
- 2.Qxh5#
- 1...Sxg5
- 2.Re5#
- 1...hxg5!
- 1...Kxg5
- 1.Sxc4?
- Keys
- 1.Se6!
- 1...Kxe6
- 2.Qd5#
- 1...Bxg4
- 2.Qd5#
- 1...Sxg3
- 2.Re5#
- 1...Sxd6
- 2.Re5#
- 1...dxe6
- 2.Qf3#
- 1...Rc1
- 2.Sd4#
- 1...Rc2
- 2.Sd4#
- 1...Rc3
- 2.Sd4#
- 1...Rd4
- 2.Sxd4#
- 1...Rc5
- 2.Sd4#
- 1...Rc6
- 2.Sd4#
- 1...Rc7
- 2.Sd4#
- 1...Rc8
- 2.Sd4#
- 1...Sd2
- 2.Re5#
- 1...Sf2
- 2.Re5#
- 1...Sc3
- 2.Re5#
- 1...Sc5
- 2.Re5#
- 1...Sg5
- 2.Re5#
- 1...Sf6
- 2.Sg7#
- 1...Kxe6
- 1.Se6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- B(f);SBLOCK,XR(F)::QAR2(A)
- S(c);OGATE::R1(B)
- S(c);OGATE,XP(D)::R1(B)
- S(c);OGATE,XP(I)::R1(B)
- Tries
- Try
- S(H);XR(b)
- Threat
- S(H)
- Vars
- B(f);SBLOCK,XR(F)::QAR2(A)
- S(c);OGATE,XP(D)::R1(B)
- S(c);OGATE::R1(B)
- Refutation
- P(d);XS(H)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(b);::S(H)
- S(c);::S(H)
- Refutation
- B(f);XR(F)
- Try
- S(H);
- Threat
- S(H)
- Vars
- B(f);SBLOCK,XR(F)::QAR2(A)
- Refutation
- R(b);XS(H)
- Try
- R(F);CHECK
- Vars
- K(e);N_SPINS(g),P-FLIGHT,XR(F)::QAR1(A),XB(f)
- S(c);OGATE,SBLOCK,XR(F)::R1(B)
- Refutation
- P(h);XR(F)
- Try
- Actual
- S(E);
- Vars
- K(e);N_SPINS(g),P_SPINS(c),S_FLIGHT,XS(E)::QAB1(A)
- B(f);SBLOCK,XR(F)::QAR2(A)
- S(c);OGATE,XP(D)::R1(B)
- S(c);OGATE,XP(I)::R1(B)
- P(i);SBLOCK,XS(E)::QAR2(A)
- R(b);N_GUARD::S(E)
- R(b);N_GUARD::S(E),XR(b)
- S(c);OGATE::R1(B)
- S(c);SBLOCK::S(E)
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).