MESON Chess Problem Database
Problem Display
PID: 17722 (8/4N3/Q4ppB/1B4rp/p2Pk1pb/Rb4p1/2p1N1P1/2K2R2 w - - 0 1)
Macleod, Norman Alasdair
2nd Prize, BCF 063. Ty., 1949-1950
#2
10 + 11
| 3105 | FIDE Album (1945-1955) | 1964 |
| 6455 | The Chessboard Adventures of Norman Macleod | 1996 |
| 56 | The Problemist | 2005 |
| 136 | Problem Observer | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Ke3
- 2.Qe6#
- 1...Rc5
- 2.Bd3#
- 1...Rd5
- 2.Bd3#
- 1...Re5
- 2.Bd3#
- 1...Rf5
- 2.Bd3#
- 1...Ba2
- 2.Rf4#
- 1...Bc4
- 2.Rf4#
- 1...Bd5
- 2.Rf4#
- 1...Be6
- 2.Rf4#
- 1...Bf7
- 2.Rf4#
- 1...Bg8
- 2.Rf4#
- 1...Ke3
- Tries
- 1.Bc4?
- 1...Ke3
- 2.Qe6#
- 1...Bxc4
- 2.Rf4#
- 1...Ra5
- 2.Bd3#
- 1...Rc5
- 2.Bd3#
- 1...Rd5
- 2.Bd3#
- 1...Re5
- 2.Bd3#
- 1...Rf5
- 2.Bd3#
- 1...Ba2
- 2.Rf4#
- 1...f5
- 2.Qe6#
- 1...Rb5!
- 1...Ke3
- 1.Rf3?
- threat
- 2.Bd3#
- 1...Rxb5
- 2.Re3#
- 1...Bc4
- 2.Rae3#
- 2.Rfe3#
- 2.Rf4#
- 1...gxf3!
- threat
- 1.Rf5?
- 1...Ke3
- 2.Qe6#
- 1...Rxf5
- 2.Bd3#
- 1...Ba2
- 2.Rf4#
- 1...Bc4
- 2.Rf4#
- 1...Bd5
- 2.Rf4#
- 1...Be6
- 2.Rf4#
- 2.Qxe6#
- 1...Bf7
- 2.Rf4#
- 1...Bg8
- 2.Rf4#
- 1...gxf5!
- 1...Ke3
- 1.Rxf6?
- 1...Ke3
- 2.Qe6#
- 1...Rc5
- 2.Bd3#
- 1...Rd5
- 2.Bd3#
- 1...Re5
- 2.Bd3#
- 1...Rf5
- 2.Bd3#
- 1...Ba2
- 2.Rf4#
- 1...Bc4
- 2.Rf4#
- 1...Bd5
- 2.Rf4#
- 1...Be6
- 2.Rf4#
- 1...Bf7
- 2.Rf4#
- 1...Bg8
- 2.Rf4#
- 1...Rxb5!
- 1...Ke3
- 1.Rxb3?
- threat
- 2.Rf4#
- 1...Rf5
- 2.Bd3#
- 2.Re3#
- 1...axb3!
- threat
- 1.Qc6+?
- 1...Ke3
- 2.Qe6#
- 1...Bd5
- 2.Rf4#
- 2.Qxc2#
- 1...Rd5!
- 1...Ke3
- 1.Qd6?
- threat
- 2.Qf4#
- 1...Ke3
- 2.Qf4#
- 2.Qe6#
- 1...Re5
- 2.Sc3#
- 1...Rf5
- 2.Sc3#
- 1...Rxb5!
- threat
- 1.Qe6+?
- 1...Bxe6
- 2.Rf4#
- 1...Re5!
- 1...Bxe6
- 1.Qxf6?
- threat
- 2.Qf4#
- 1...Ke3
- 2.Qe5#
- 2.Qf4#
- 2.Qe6#
- 1...Rf5
- 2.Sc3#
- 1...Rxb5!
- threat
- 1.Bc4?
- Keys
- 1.Sd5!
- 1...Kxd5
- 2.Qc6#
- 1...Rxd5
- 2.Bd3#
- 1...Bxd5
- 2.Rf4#
- 1...Re5
- 2.Sdc3#
- 1...Rf5
- 2.Sdc3#
- 1...Ba2
- 2.Sxf6#
- 1...Bc4
- 2.Sxf6#
- 1...f5
- 2.Qe6#
- 1...Kxd5
- 1.Sd5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- K(e);P-FLIGHT,P_SPINB(b),P_SPINR(h)::QAR(H)
- R(h);::B(G)
- B(b);::R1(B)
- Tries
- Try
- B(G);
- Vars
- K(e);P-FLIGHT,P_SPINB(b),P_SPINR(h)::QAR(H)
- B(b);XB(G)::R1(B)
- R(h);::B(G)
- B(b);::R1(B)
- P(j);S_CUTR(h)::QAR2(H)
- Refutation
- R(h);
- Try
- R(B);
- Threat
- B(G)
- Vars
- R(h);XB(G)::R1(B)
- Refutation
- P(f);XR(B)
- Try
- R(B);
- Vars
- K(e);P-FLIGHT,P_SPINB(b),P_SPINR(h)::QAR(H)
- R(h);XR(B)::B(G)
- B(b);::R1(B)
- Refutation
- P(k);XR(B)
- Try
- R(B);XP(j)
- Vars
- K(e);P-FLIGHT,P_SPINB(b),P_SPINR(h)::QAR(H)
- R(h);::B(G)
- B(b);::R1(B)
- Refutation
- R(h);XB(G)
- Try
- R(E);XB(b)
- Threat
- R1(B)
- Refutation
- P(d);XR(E)
- Try
- Q(H);CHECK
- Vars
- K(e);P-FLIGHT,P_SPINB(b),P_SPINR(h)::QAR(H)
- Refutation
- R(h);P_SPINR(h)
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- R(h);::S(C)
- Refutation
- R(h);XB(G)
- Try
- Q(H);CHECK
- Vars
- B(b);XQ(H)::R1(B)
- Refutation
- R(h);P_SPINR(h)
- Try
- Q(H);XP(j)
- Threat
- QAR1(H)
- Vars
- R(h);::S(C)
- Refutation
- R(h);XB(G)
- Try
- Actual
- S(J);
- Vars
- K(e);OGATEB,S_FLIGHT,XS(J)::QAB1(H)
- R(h);SBLOCK,XS(J)::B(G)
- B(b);SBLOCK,XS(J)::R1(B)
- R(h);::S(J)
- B(b);::S(J),XP(j)
- P(j);S_CUTR(h)::QAR2(H)
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).