MESON Chess Problem Database
Problem Display
PID: 66609 (b7/2R1N3/5p1b/1p3Npp/2pqk3/4p1Q1/4B2K/B7 w - - 0 1)
Neumann, Itzhak
Prize=, British Chess Magazine, 1941
#2
7 + 10
| 5828 | My Selected Chess Problems (Neumann) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Qxa1
- 2.Qxe3#
- 1...Qb2
- 2.Qxe3#
- 1...Qc5
- 2.Qf3#
- 1...Qb6
- 2.Qf3#
- 1...Qa7
- 2.Sd6#
- 2.Qf3#
- 1...Qd1
- 2.Qxe3#
- 2.Qf3#
- 1...Qd2
- 2.Qf3#
- 1...Qd3
- 2.Bf3#
- 2.Qf3#
- 1...Qd5
- 2.Qxe3#
- 2.Qf3#
- 1...Qd6
- 2.Sxd6#
- 1...Qd7
- 2.Qxe3#
- 2.Qf3#
- 1...Qd8
- 2.Qxe3#
- 2.Qf3#
- 1...Bd5
- 2.Sd6#
- 1...Qxa1
- Tries
- 1.Rxc4?
- threat
- 2.Sd6#
- 2.Rxd4#
- 2.Qxe3#
- 1...Qxc4
- 2.Sd6#
- 2.Qxe3#
- 2.Qf3#
- 1...g4
- 2.Sd6#
- 2.Rxd4#
- 1...bxc4!
- threat
- 1.Rxc4?
- Keys
- 1.Rd7!
- threat
- 2.Rxd4#
- 1...Qxa1
- 2.Bf3#
- 2.Qxe3#
- 1...Qxd7
- 2.Qxe3#
- 2.Qf3#
- 1...Qc3
- 2.Bf3#
- 1...Qb2
- 2.Qxe3#
- 1...Qc5
- 2.Bf3#
- 2.Qf3#
- 1...Qe5
- 2.Bf3#
- 1...Qb6
- 2.Bf3#
- 2.Qf3#
- 1...Qa7
- 2.Sd6#
- 2.Bf3#
- 2.Qf3#
- 1...Qd1
- 2.Qxe3#
- 2.Qf3#
- 1...Qd2
- 2.Qf3#
- 1...Qd3
- 2.Bf3#
- 2.Qf3#
- 1...Qd5
- 2.Qxe3#
- 2.Qf3#
- 1...Qd6
- 2.Sxd6#
- 1...Bd5
- 2.Sd6#
- threat
- 1.Rd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- Q(c);N_GUARD,XB(A)::QAR1(D),XP(a)
- Q(c);N_GUARD,P_PINB(B)::QAR1(D),XP(a)
- Q(c);::QAB1(D)
- Q(c);P_PINB(B)::QAB1(D)
- Q(c);N_GUARD,P_PINQ(D)::S(E),XQ(c)
- B(j);S_CUTQ(c)::S(E)
- Tries
- Try
- R(F);P_PINQ(c),XP(b)
- Threat
- DUALS(3)
- Refutation
- P(e);N_SPINQ(c),XR(F)
- Try
- Actual
- R(F);
- Threat
- R1(F),XQ(c)
- Vars
- Q(c);::B(B)
- Q(c);N_GUARD,P_PINB(B)::QAR1(D),XP(a)
- Q(c);P_PINQ(D)::B(B)
- Q(c);P_PINB(B)::QAB1(D)
- Q(c);N_GUARD,P_PINQ(D)::S(E),XQ(c)
- B(j);S_CUTQ(c)::S(E)
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).