MESON Chess Problem Database
Problem Display
PID: 139178 (8/3N4/2p5/p1P5/Pnk4p/QpP2PpP/4P1Rp/3N3K w - - 0 1)
Vane Bor
The Problemist, 1937
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Kd5
- 2.Qxb3#
- 1...Sa2
- 2.Sb6#
- 1...Sc2
- 2.Sb6#
- 1...Sd3
- 2.Sb6#
- 1...Sd5
- 2.Se5#
- 1...Sa6
- 2.Sb6#
- 1...b2
- 2.Se3#
- 1...Kd5
- Tries
- 1.Sb2+?
- 1...Kd5
- 2.Qxb3#
- 1...Kxc3!
- 1...Kd5
- 1.Rxg3?
- 1...Kd5
- 2.Qxb3#
- 1...Sa2
- 2.Sb6#
- 1...Sc2
- 2.Sb6#
- 1...Sd3
- 2.Sb6#
- 1...Sd5
- 2.Se5#
- 1...Sa6
- 2.Sb6#
- 1...b2
- 2.Se3#
- 1...hxg3!
- 1...Kd5
- 1.Qxb4+?
- 1...Kd5
- 2.Qxb3#
- 2.Qe4#
- 1...axb4!
- 1...Kd5
- 1.f4?
- 1...Sa2
- 2.Sb6#
- 1...Sc2
- 2.Sb6#
- 1...Sd3
- 2.Sb6#
- 1...Sd5
- 2.Se5#
- 1...Sa6
- 2.Sb6#
- 1...b2
- 2.Se3#
- 1...Kd5!
- 1...Sa2
- 1.Sb2+?
- Keys
- 1.e4!
- 1...Kd3
- 2.Se5#
- 1...Sa2
- 2.Se5#
- 1...Sc2
- 2.Se5#
- 1...Sd3
- 2.Sb6#
- 1...Sd5
- 2.Se5#
- 1...Sa6
- 2.Se5#
- 1...b2
- 2.Sxb2#
- 1...Kd3
- 1.e4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(e);S_FLIGHT::QAB(E),XP(b)
- S(d);::S(K)
- S(d);SBLOCK::S(K)
- P(b);::S(A)
- Tries
- Try
- S(A);CHECK
- Vars
- K(e);S_FLIGHT::QAB(E),XP(b)
- Refutation
- K(e);P-FLIGHT,P_SPINP(b),XP(F)
- Try
- R(D);XP(c)
- Vars
- K(e);S_FLIGHT::QAB(E),XP(b)
- S(d);::S(K)
- S(d);SBLOCK::S(K)
- P(b);::S(A)
- Refutation
- P(f);XR(D)
- Try
- Q(E);CHECK,XS(d)
- Refutation
- P(g);XQ(E)
- Try
- P(G);
- Vars
- S(d);::S(K)
- S(d);SBLOCK::S(K)
- P(b);::S(A)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- P(C);
- Vars
- K(e);S_FLIGHT::S(K)
- S(d);::S(K)
- S(d);SBLOCK::S(K)
- P(b);::S(A),XP(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).