MESON Chess Problem Database
Problem Display
PID: 17970 (4r3/2p2Q1b/5p2/8/r3k3/pN2pRB1/2K1B2n/8 w - - 0 1)
Holladay, Edgar Dinwiddie
6th Place, Olympic Ty., 1952
#2
6 + 9
| 78 | Bulletin Ouvrier des Echecs | 1953 |
| 6232 | Holladay Chess Problems | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rc4+
- 2.Qxc4#
- 1...Rd4
- 2.Sc5#
- 1...Ra5
- 2.Qc4#
- 1...Ra6
- 2.Qc4#
- 1...Ra7
- 2.Qc4#
- 1...Raa8
- 2.Qc4#
- 1...Re5
- 2.Rf4#
- 1...Re6
- 2.Qxe6#
- 1...Rea8
- 2.Qe6#
- 1...Rb8
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Rd8
- 2.Qe6#
- 1...Rf8
- 2.Qe6#
- 1...Rg8
- 2.Qe6#
- 1...Rh8
- 2.Qe6#
- 1...Sxf3
- 2.Bd3#
- 1...c5
- 2.Qb7#
- 1...Rc4+
- Tries
- 1.Bxc7?
- threat
- 2.Rf4#
- 1...Rc4+
- 2.Qxc4#
- 1...Sxf3
- 2.Bd3#
- 1...Re6
- 2.Qxe6#
- 1...Re5!
- threat
- 1.Rf1?
- threat
- 2.Bd3#
- 1...Rc4+
- 2.Qxc4#
- 1...Re6
- 2.Qxe6#
- 1...Rd4
- 2.Sc5#
- 1...Rd8
- 2.Qe6#
- 1...Sxf1!
- threat
- 1.Rf2?
- threat
- 2.Bd3#
- 1...Rc4+
- 2.Qxc4#
- 1...Re6
- 2.Qxe6#
- 1...Rd4
- 2.Sc5#
- 1...Rd8
- 2.Qe6#
- 1...exf2!
- threat
- 1.Rxe3+?
- 1...Kf5
- 2.Qh5#
- 1...Kxe3+!
- 1...Kf5
- 1.Rxf6?
- threat
- 2.Bd3#
- 1...Rc4+
- 2.Qxc4#
- 1...Re6
- 2.Qxe6#
- 1...Rd4
- 2.Sc5#
- 1...Rd8
- 2.Qe6#
- 1...Bf5!
- threat
- 1.Qd7?
- threat
- 2.Sc5#
- 2.Qc6#
- 2.Qd3#
- 1...Sxf3
- 2.Sc5#
- 2.Bd3#
- 2.Qd3#
- 1...Rd4
- 2.Sc5#
- 2.Qxd4#
- 1...Ra5
- 2.Qd3#
- 2.Qd4#
- 1...Ra6
- 2.Sc5#
- 2.Qd3#
- 2.Qd4#
- 1...Re5
- 2.Rf4#
- 2.Qd3#
- 1...Re6
- 2.Sc5#
- 2.Qxe6#
- 2.Qd3#
- 1...Rd8
- 2.Sc5#
- 2.Qe6#
- 1...Bg8
- 2.Sc5#
- 2.Qf5#
- 2.Qd3#
- 1...c5
- 2.Sxc5#
- 2.Qc6#
- 2.Qd3#
- 2.Qb7#
- 1...c6
- 2.Sc5#
- 2.Qxc6#
- 2.Qd3#
- 1...Rc4+!
- threat
- 1.Qxh7+?
- 1...f5
- 2.Qxf5#
- 1...Kd5!
- 1...f5
- 1.Bxc7?
- Keys
- 1.Kc3!
- threat
- 2.Sc5#
- 1...Rc4+
- 2.Qxc4#
- 1...Sxf3
- 2.Bd3#
- 1...Re6
- 2.Qxe6#
- 1...Ra5
- 2.Qc4#
- 1...Re5
- 2.Rf4#
- 1...c5
- 2.Sxc5#
- 2.Qb7#
- threat
- 1.Kc3!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 12
- Sets
- R(d);CHECK,N_GUARD::QAR2(F),XR(d)
- R(d);SBLOCK::S(C)
- R(d);N_GUARD::QAR2(F)
- R(i);SBLOCK::R1(D)
- R(i);N_GUARD::QAR2(F),XR(i)
- R(i);N_GUARD::QAR2(F)
- S(a);SBLOCK,XR(D)::B(B)
- P(g);OGATE::QAB(F)
- Tries
- Try
- B(E);XP(g)
- Threat
- R1(D)
- Vars
- R(d);CHECK,N_GUARD::QAR2(F),XR(d)
- S(a);SBLOCK,XR(D)::B(B)
- R(i);N_GUARD::QAR2(F),XR(i)
- Refutation
- R(i);
- Try
- R(D);
- Threat
- B(B)
- Vars
- R(d);CHECK,N_GUARD::QAR2(F),XR(d)
- R(i);N_GUARD::QAR2(F),XR(i)
- R(d);SBLOCK::S(C)
- R(i);N_GUARD::QAR2(F)
- Refutation
- S(a);XR(D)
- Try
- R(D);
- Threat
- B(B)
- Vars
- R(d);CHECK,N_GUARD::QAR2(F),XR(d)
- R(i);N_GUARD::QAR2(F),XR(i)
- R(d);SBLOCK::S(C)
- R(i);N_GUARD::QAR2(F)
- Refutation
- P(c);XR(D)
- Try
- R(D);CHECK,XP(c)
- Vars
- K(e);P_SPINP(f),S_FLIGHT::QAR2(F)
- Refutation
- K(e);CHECK,P-FLIGHT,XR(D)
- Try
- R(D);XP(f)
- Threat
- B(B)
- Vars
- R(d);CHECK,N_GUARD::QAR2(F),XR(d)
- R(i);N_GUARD::QAR2(F),XR(i)
- R(d);SBLOCK::S(C)
- R(i);N_GUARD::QAR2(F)
- Refutation
- B(h);
- Try
- Q(F);
- Threat
- DUALS(3)
- Refutation
- R(d);CHECK
- Try
- Q(F);CHECK,XB(h)
- Vars
- P(f);P_SPINP(f)::QAB1(F),XP(f)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- K(A);P-FLIGHT
- Threat
- S(C)
- Vars
- R(d);CHECK,N_GUARD::QAR2(F),XR(d)
- S(a);SBLOCK,XR(D)::B(B)
- R(i);N_GUARD::QAR2(F),XR(i)
- R(d);N_GUARD::QAR2(F)
- R(i);SBLOCK::R1(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).