MESON Chess Problem Database
Problem Display
PID: 221442 (8/4Np2/5P1p/3p3k/5P2/4PKB1/3pBpPp/3NbQ2 w - - 0 1)
Jakubzik, Alfred
Die Schwalbe, 1928
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...d4
- 2.Ke4#
- 1...h1Q
- Tries
- 1.Bd3?
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...d4!
- 1...h1Q
- 1.Bc4?
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...d4
- 2.Bxf7#
- 1...dxc4!
- 1...h1Q
- 1.Bb5?
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...d4!
- 1...h1Q
- 1.Bxf2?
- threat
- 2.Kg3#
- 2.g4#
- 1...h1Q
- 2.Kg3#
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 2.g4#
- 1...h1B
- 2.Kg3#
- 2.Qxh1#
- 1...Bxf2!
- threat
- 1.Bd3?
- Keys
- 1.Ba6!
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...d4
- 2.Qb5#
- 1...h1Q
- 1.Ba6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- P(d);OGATEB,P_PINP(D)::QAR(B),XQ(d)
- P(d);OGATEB::QAR(B),XS(d)
- P(d);OGATEB,P_PINP(D)::QAR(B),XB(d)
- P(d);OGATEB::QAR(B),XR(d)
- P(e);::B(C)+K(F)
- Tries
- Try
- B(C);
- Vars
- P(d);OGATEB,P_PINP(D)::QAR(B),XQ(d)
- P(d);OGATEB::QAR(B),XS(d)
- P(d);OGATEB,P_PINP(D)::QAR(B),XB(d)
- P(d);OGATEB::QAR(B),XR(d)
- Refutation
- P(e);
- Try
- B(C);
- Vars
- P(d);OGATEB,P_PINP(D)::QAR(B),XQ(d)
- P(d);OGATEB::QAR(B),XS(d)
- P(d);OGATEB,P_PINP(D)::QAR(B),XB(d)
- P(d);OGATEB::QAR(B),XR(d)
- P(e);OGATE::B(C),XP(h)
- Refutation
- P(e);XB(C)
- Try
- B(C);
- Vars
- P(d);OGATEB,P_PINP(D)::QAR(B),XQ(d)
- P(d);OGATEB::QAR(B),XS(d)
- P(d);OGATEB,P_PINP(D)::QAR(B),XB(d)
- P(d);OGATEB::QAR(B),XR(d)
- Refutation
- P(e);
- Try
- B(G);XP(c)
- Threat
- DUALS(2)
- Refutation
- B(a);XB(G)
- Try
- Actual
- B(C);
- Vars
- P(d);OGATEB,P_PINP(D)::QAR(B),XQ(d)
- P(d);OGATEB::QAR(B),XS(d)
- P(d);OGATEB,P_PINP(D)::QAR(B),XB(d)
- P(d);OGATEB::QAR(B),XR(d)
- P(e);OGATEB::QAR(B)
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).