MESON Chess Problem Database
Problem Display
PID: 66621 (3B4/1KpBnP2/1pN1p3/1r3kP1/2N3R1/1rn2q1P/8/Q4R1b w - - 0 1)
Neumann, Itzhak
2nd Prize, Arbejder Magasinet, 1935
#2
11 + 10
| 5828 | My Selected Chess Problems (Neumann) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Sxe7#
- 1...Sb1
- 2.Qf6#
- 1...Sd1
- 2.Qf6#
- 1...Sa2
- 2.Qf6#
- 1...Se2
- 2.Qf6#
- 1...Sa4
- 2.Qf6#
- 1...Se4
- 2.Sxe7#
- 1...Sg6
- 2.Se3#
- 1...Rd5
- Tries
- 1.f8S?
- threat
- 2.Se3#
- 2.Bxe6#
- 1...Sxc6
- 2.Bxe6#
- 1...Qf4
- 2.Rfxf4#
- 1...Sb1
- 2.Bxe6#
- 2.Qf6#
- 1...Sd1
- 2.Bxe6#
- 2.Qf6#
- 1...Sa2
- 2.Bxe6#
- 2.Qf6#
- 1...Se2
- 2.Bxe6#
- 2.Qf6#
- 1...Sa4
- 2.Bxe6#
- 2.Qf6#
- 1...Se4
- 2.Sd4#
- 2.Sxe7#
- 2.Bxe6#
- 1...Scd5
- 2.Sd4#
- 2.Bxe6#
- 2.Qe5#
- 1...Sed5
- 2.Sd4#
- 2.Bxe6#
- 1...Re5!
- threat
- 1.f8S?
- Keys
- 1.g6!
- threat
- 2.f8Q#
- 2.f8R#
- 1...Kf6
- 2.f8Q#
- 1...Qxf1
- 2.f8Q#
- 2.f8R#
- 1...Sxc6
- 2.f8Q#
- 2.f8R#
- 1...Sxg6
- 2.Se3#
- 1...Qf4
- 2.Rfxf4#
- 1...Qf2
- 2.f8Q#
- 2.f8R#
- 1...Rb1
- 2.f8Q#
- 2.f8R#
- 1...Rb2
- 2.f8Q#
- 2.f8R#
- 1...Ra3
- 2.f8Q#
- 2.f8R#
- 1...R3b4
- 2.f8Q#
- 2.f8R#
- 1...R5b4
- 2.f8Q#
- 2.f8R#
- 1...Ra5
- 2.f8Q#
- 2.f8R#
- 1...Rc5
- 2.f8Q#
- 2.f8R#
- 1...Rd5
- 2.f8Q#
- 2.f8R#
- 1...Re5
- 2.f8Q#
- 2.f8R#
- 1...Bg2
- 2.f8Q#
- 2.f8R#
- 1...Sb1
- 2.f8Q#
- 2.f8R#
- 1...Sd1
- 2.f8Q#
- 2.f8R#
- 1...Sa2
- 2.f8Q#
- 2.f8R#
- 1...Se2
- 2.f8Q#
- 2.f8R#
- 1...Sa4
- 2.f8Q#
- 2.f8R#
- 1...Se4
- 2.Sxe7#
- 1...Scd5
- 2.Qe5#
- 1...Sed5
- 2.Sd4#
- 1...Sc8
- 2.Se3#
- 2.f8Q#
- 2.f8R#
- 1...Sg8
- 2.Se3#
- threat
- 1.g6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 6
- Sets
- R(e);N_PINS(G)::S(G),XS(j)
- S(c);OGATE::QAR1(A)
- S(c);N_PINS(G)::S(G),XS(j)
- S(j);SBLOCK::S(D)
- Tries
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- S(j);XS(G)::B(I),XP(h)
- Q(d);OGATE::R1(B),XQ(d)
- Refutation
- R(e);
- Try
- Actual
- P(F);
- Threat
- P=Q
- Vars
- K(f);N_SPINP(h),P-FLIGHT,P_SPINS(c)::P=Q
- Q(d);N_SPINQ(d),XR(B)::P=Q
- S(j);XS(G)::P=Q
- S(j);XP(F)::S(D)
- Q(d);OGATE::R1(B),XQ(d)
- Q(d);::P=Q
- R(b);::P=Q
- R(e);::P=Q
- R(e);N_PINS(G)::P=Q
- B(a);::P=Q
- S(c);::P=Q
- S(c);N_PINS(G)::S(G),XS(j)
- S(c);N_PINS(G),OGATE::QAR1(A)
- S(j);N_PINS(G)::S(G)
- S(j);::S(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).