MESON Chess Problem Database
Problem Display
PID: 72089 (8/5Qp1/3R4/1K2k3/1n6/8/3N4/8 w - - 0 1)
Markevitch, Alex
StrateGems, 2007
#2
4 + 3
SOLUTION
- SOUND
- Sets
- 1...Kxd6
- 2.Sc4#
- 1...Sa2
- 2.Rd5#
- 1...Sc2
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sa6
- 2.Rd5#
- 1...Sc6
- 2.Rd5#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Kxd6
- Tries
- 1.Ka4?
- 1...Sd5
- 2.Rxd5#
- 1...Sa2
- 2.Rd5#
- 1...Sc2
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sa6
- 2.Rd5#
- 1...Sc6
- 2.Rd5#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Kxd6!
- 1...Sd5
- 1.Rd4?
- threat
- 2.Sf3#
- 1...Sd5
- 2.Rxd5#
- 1...Kxd4!
- threat
- 1.Re6+?
- 1...Kd5
- 2.Qd7#
- 1...Kd4!
- 1...Kd5
- 1.Ka4?
- Keys
- 1.Kb6!
- 1...Sd5+
- 2.Rxd5#
- 1...Kxd6
- 2.Sc4#
- 1...Sa2
- 2.Rd5#
- 1...Sc2
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sa6
- 2.Rd5#
- 1...Sc6
- 2.Rd5#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Sd5+
- 1.Kb6!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT,XR(C)::S(A)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- P(c);N_GUARD::QAB1(D)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(c);N_GUARD::QAB1(D)
- Refutation
- K(b);S_FLIGHT,XR(C)
- Try
- R(C);
- Threat
- S(A)
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- Refutation
- K(b);S_FLIGHT,XR(C)
- Try
- R(C);CHECK
- Vars
- K(b);P-FLIGHT::QAR2(D)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- K(B);P-FLIGHT
- Vars
- S(a);CHECK,N_GUARD::R1(C),XS(a)
- K(b);S_FLIGHT,XR(C)::S(A)
- S(a);N_GUARD::R1(C)
- P(c);N_GUARD::QAB1(D)
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).