MESON Chess Problem Database
Problem Display
PID: 60196 (1BrR4/7B/2r1QK1p/3pNP2/R2nkp2/2ppN3/b4P2/8 w - - 0 1)
Eddy, Edwin John
9th HM., Brisbane Courier, 1932
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Qxd5#
- 1...Rxe6+
- 2.fxe6#
- 1...f3
- 2.Sxc6#
- 1...Rc4
- Tries
- 1.Sf1?
- threat
- 2.f3#
- 1...Rxe6+
- 2.fxe6#
- 1...f3
- 2.Sxc6#
- 1...Rc4
- 2.Qxd5#
- 1...Bc4!
- threat
- 1.Sg2?
- threat
- 2.f3#
- 1...Rxe6+
- 2.fxe6#
- 1...Rc4
- 2.Qxd5#
- 1...f3
- 2.Sxc6#
- 1...Bc4!
- threat
- 1.S3g4?
- threat
- 2.f3#
- 1...Rxe6+
- 2.fxe6#
- 1...f3
- 2.Sxc6#
- 1...Rc4
- 2.Qxd5#
- 1...Bc4!
- threat
- 1.Sf1?
- Keys
- 1.Sd1!
- threat
- 2.f3#
- 1...Rxe6+
- 2.fxe6#
- 1...f3
- 2.Sxc6#
- 1...Rc4
- 2.Qxd5#
- 1...Bc4
- 2.Sxc3#
- threat
- 1.Sd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(h);N_PINQ(F),N_SPINS(d)::QAB1(F),XP(g)
- R(h);CHECK,OGATE,XQ(F)::B(H)+P(E),XR(h)
- P(f);SBLOCK::QAR(F)+S(D),XR(h)
- Tries
- Try
- S(B);
- Threat
- P(A)
- Vars
- R(h);CHECK,OGATE,XQ(F)::B(H)+P(E),XR(h)
- P(f);SBLOCK::QAR(F)+S(D),XR(h)
- R(h);N_PINQ(F),N_SPINS(d)::QAB1(F),XP(g)
- Refutation
- B(a);N_SPINS(d)
- Try
- S(B);
- Threat
- P(A)
- Vars
- R(h);CHECK,OGATE,XQ(F)::B(H)+P(E),XR(h)
- R(h);N_PINQ(F),N_SPINS(d)::QAB1(F),XP(g)
- P(f);SBLOCK::QAR(F)+S(D),XR(h)
- Refutation
- B(a);N_SPINS(d)
- Try
- S(B);
- Threat
- P(A)
- Vars
- R(h);CHECK,OGATE,XQ(F)::B(H)+P(E),XR(h)
- P(f);SBLOCK::QAR(F)+S(D),XR(h)
- R(h);N_PINQ(F),N_SPINS(d)::QAB1(F),XP(g)
- Refutation
- B(a);N_SPINS(d)
- Try
- Actual
- S(B);
- Threat
- P(A)
- Vars
- R(h);CHECK,OGATE,XQ(F)::B(H)+P(E),XR(h)
- P(f);SBLOCK::QAR(F)+S(D),XR(h)
- R(h);N_PINQ(F),N_SPINS(d)::QAB1(F),XP(g)
- B(a);N_SPINS(d),S_CUTR(h)::S(B),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).