MESON Chess Problem Database
Problem Display
PID: 66598 (2Q1b3/3nrp2/p1P1kn1N/p1b1P3/K4Pr1/1p1RR1pN/1B1PP1B1/8 w - - 0 1)
Neumann, Itzhak
Hatzofe, 1964
#2
13 + 12
| 5828 | My Selected Chess Problems (Neumann) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Rxf4+
- 2.Sxf4#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Rg6
- 2.f5#
- 1...Rg7
- 2.f5#
- 1...Rg8
- 2.f5#
- 1...Ba3
- 2.exf6#
- 1...Bxe3
- 2.Rd6#
- 1...Bb4
- 2.f5#
- 2.exf6#
- 1...Bd4
- 2.f5#
- 1...Bb6
- 2.Rd6#
- 1...Bd6
- 2.Rxd6#
- 1...Ba7
- 2.Rd6#
- 1...Se4
- 2.f5#
- 1...Sd5
- 2.Bxd5#
- 1...Sh5
- 2.Bd5#
- 1...Sh7
- 2.Bd5#
- 1...Sg8
- 2.Bd5#
- 1...Rxf4+
- Tries
- 1.Kxb3?
- threat
- 2.f5#
- 1...Rxf4
- 2.Sxf4#
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...a4+!
- threat
- 1.Ba1?
- 1...Rxf4+
- 2.Sxf4#
- 1...Bxe3
- 2.Rd6#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Rg6
- 2.f5#
- 1...Rg7
- 2.f5#
- 1...Rg8
- 2.f5#
- 1...Ba3
- 2.exf6#
- 1...Bb4
- 2.f5#
- 2.exf6#
- 1...Bd4
- 2.f5#
- 1...Bb6
- 2.Rd6#
- 1...Bd6
- 2.Rxd6#
- 1...Ba7
- 2.Rd6#
- 1...Se4
- 2.f5#
- 1...Sd5
- 2.Bxd5#
- 1...Sh5
- 2.Bd5#
- 1...Sh7
- 2.Bd5#
- 1...Sg8
- 2.Bd5#
- 1...b2!
- 1...Rxf4+
- 1.Bc3?
- 1...Rxf4+
- 2.Sxf4#
- 1...Bxe3
- 2.Rd6#
- 1...Se4
- 2.f5#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Rg6
- 2.f5#
- 1...Rg7
- 2.f5#
- 1...Rg8
- 2.f5#
- 1...Ba3
- 2.exf6#
- 1...Bb4
- 2.f5#
- 2.exf6#
- 1...Bd4
- 2.f5#
- 1...Bb6
- 2.Rd6#
- 1...Bd6
- 2.Rxd6#
- 1...Ba7
- 2.Rd6#
- 1...Sd5
- 2.Bxd5#
- 1...Sh5
- 2.Bd5#
- 1...Sh7
- 2.Bd5#
- 1...Sg8
- 2.Bd5#
- 1...b2!
- 1...Rxf4+
- 1.Bd4?
- threat
- 2.f5#
- 1...Rxf4
- 2.Sxf4#
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Se4!
- threat
- 1.Bh1?
- 1...Rxf4+
- 2.Sxf4#
- 1...Bxe3
- 2.Rd6#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Rg6
- 2.f5#
- 1...Rg7
- 2.f5#
- 1...Rg8
- 2.f5#
- 1...Ba3
- 2.exf6#
- 1...Bb4
- 2.f5#
- 2.exf6#
- 1...Bd4
- 2.f5#
- 1...Bb6
- 2.Rd6#
- 1...Bd6
- 2.Rxd6#
- 1...Ba7
- 2.Rd6#
- 1...Se4
- 2.f5#
- 1...Sd5
- 2.Bxd5#
- 1...Sh5
- 2.Bd5#
- 1...Sh7
- 2.Bd5#
- 1...Sg8
- 2.Bd5#
- 1...g2!
- 1...Rxf4+
- 1.Bf3?
- 1...Rxf4+
- 2.Sxf4#
- 1...Bxe3
- 2.Rd6#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Rg6
- 2.f5#
- 1...Rg7
- 2.f5#
- 1...Rg8
- 2.f5#
- 1...Ba3
- 2.exf6#
- 1...Bb4
- 2.f5#
- 2.exf6#
- 1...Bd4
- 2.f5#
- 1...Bb6
- 2.Rd6#
- 1...Bd6
- 2.Rxd6#
- 1...Ba7
- 2.Rd6#
- 1...Se4
- 2.f5#
- 1...Sd5
- 2.Bxd5#
- 1...Sh5
- 2.Bd5#
- 1...Sh7
- 2.Bd5#
- 1...Sg8
- 2.Bd5#
- 1...g2!
- 1...Rxf4+
- 1.Be4?
- threat
- 2.Bf5#
- 2.f5#
- 1...Rxf4
- 2.Sxf4#
- 2.Sg5#
- 1...Sxe4
- 2.f5#
- 1...Rg5
- 2.Sxg5#
- 1...Bd4!
- threat
- 1.Rd4?
- threat
- 2.f5#
- 1...Rxf4
- 2.Sxf4#
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Se4!
- threat
- 1.Re4?
- threat
- 2.f5#
- 2.exf6#
- 1...Rxf4
- 2.Sxf4#
- 2.Sg5#
- 1...Sxe4
- 2.f5#
- 1...Rg5
- 2.Sxg5#
- 1...Bd6
- 2.Rxd6#
- 2.f5#
- 1...Sd5
- 2.f5#
- 1...Sh5
- 2.f5#
- 1...Sh7
- 2.f5#
- 1...Sg8
- 2.f5#
- 1...Bd4!
- threat
- 1.Kxb3?
- Keys
- 1.c7!
- 1...Rxf4+
- 2.Sxf4#
- 1...Bxe3
- 2.Rd6#
- 1...Ba3
- 2.exf6#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Rg6
- 2.f5#
- 1...Rg7
- 2.f5#
- 1...Rg8
- 2.f5#
- 1...Bb4
- 2.f5#
- 2.exf6#
- 1...Bd4
- 2.f5#
- 1...Bb6
- 2.Rd6#
- 1...Bd6
- 2.Rxd6#
- 1...Ba7
- 2.Rd6#
- 1...Se4
- 2.f5#
- 1...Sd5
- 2.Bxd5#
- 1...Sh5
- 2.Bd5#
- 1...Sh7
- 2.Bd5#
- 1...Sg8
- 2.Bd5#
- 1...Rxf4+
- 1.c7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(c);CHECK,XP(I)::S(G),XR(c)
- R(c);N_GUARD::S(G)
- R(c);N_GUARD,N_PINP(I)::S(G),XR(c)
- R(c);N_PINP(I)::P(I)
- B(e);N_GUARD::R(F)+P(J),XS(h)
- B(e);N_GUARD,XR(F)::R1(E)
- B(e);N_PINP(I)::P(I)
- B(e);N_GUARD::R1(E)
- B(e);N_GUARD::R1(E),XB(e)
- S(h);N_PINP(I)::P(I)
- S(h);N_GUARD::B(D),XS(h)
- S(h);N_GUARD::B(D)
- Tries
- Try
- K(H);N_SPINP(I),S_FLIGHT,XP(a)
- Threat
- P(I)
- Vars
- R(c);N_GUARD::S(G),XR(c)
- Refutation
- P(d);CHECK
- Try
- B(A);
- Vars
- R(c);CHECK,XP(I)::S(G),XR(c)
- B(e);N_GUARD,XR(F)::R1(E)
- R(c);N_GUARD::S(G)
- R(c);N_GUARD,N_PINP(I)::S(G),XR(c)
- R(c);N_PINP(I)::P(I)
- B(e);N_GUARD::R(F)+P(J),XS(h)
- B(e);N_PINP(I)::P(I)
- B(e);N_GUARD::R1(E)
- B(e);N_GUARD::R1(E),XB(e)
- S(h);N_PINP(I)::P(I)
- S(h);N_GUARD::B(D),XS(h)
- S(h);N_GUARD::B(D)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- R(c);CHECK,XP(I)::S(G),XR(c)
- B(e);N_GUARD,XR(F)::R1(E)
- S(h);N_PINP(I)::P(I)
- R(c);N_GUARD::S(G)
- R(c);N_GUARD,N_PINP(I)::S(G),XR(c)
- R(c);N_PINP(I)::P(I)
- B(e);N_GUARD::R(F)+P(J),XS(h)
- B(e);N_PINP(I)::P(I)
- B(e);N_GUARD::R1(E)
- B(e);N_GUARD::R1(E),XB(e)
- S(h);N_GUARD::B(D),XS(h)
- S(h);N_GUARD::B(D)
- Refutation
- P(a);
- Try
- B(A);N_SPINP(I)
- Threat
- P(I)
- Vars
- R(c);N_GUARD::S(G),XR(c)
- Refutation
- S(h);
- Try
- B(D);
- Vars
- R(c);CHECK,XP(I)::S(G),XR(c)
- B(e);N_GUARD,XR(F)::R1(E)
- R(c);N_GUARD::S(G)
- R(c);N_GUARD,N_PINP(I)::S(G),XR(c)
- R(c);N_PINP(I)::P(I)
- B(e);N_GUARD::R(F)+P(J),XS(h)
- B(e);N_PINP(I)::P(I)
- B(e);N_GUARD::R1(E)
- B(e);N_GUARD::R1(E),XB(e)
- S(h);N_PINP(I)::P(I)
- S(h);N_GUARD::B(D),XS(h)
- S(h);N_GUARD::B(D)
- Refutation
- P(b);
- Try
- B(D);
- Vars
- R(c);CHECK,XP(I)::S(G),XR(c)
- B(e);N_GUARD,XR(F)::R1(E)
- R(c);N_GUARD::S(G)
- R(c);N_GUARD,N_PINP(I)::S(G),XR(c)
- R(c);N_PINP(I)::P(I)
- B(e);N_GUARD::R(F)+P(J),XS(h)
- B(e);N_PINP(I)::P(I)
- B(e);N_GUARD::R1(E)
- B(e);N_GUARD::R1(E),XB(e)
- S(h);N_PINP(I)::P(I)
- S(h);N_GUARD::B(D),XS(h)
- S(h);N_GUARD::B(D)
- Refutation
- P(b);
- Try
- B(D);N_SPINP(I)
- Threat
- DUALS(2)
- Vars
- S(h);XB(D)::P(I)
- R(c);N_GUARD::S(G),XR(c)
- Refutation
- B(e);
- Try
- R(E);N_SPINP(I)
- Threat
- P(I)
- Vars
- R(c);N_GUARD::S(G),XR(c)
- Refutation
- S(h);
- Try
- R(F);N_SPINP(I)
- Threat
- DUALS(2)
- Vars
- S(h);XR(F)::P(I)
- R(c);N_GUARD::S(G),XR(c)
- S(h);::P(I)
- Refutation
- B(e);
- Try
- Actual
- P(K);
- Vars
- R(c);CHECK,XP(I)::S(G),XR(c)
- B(e);N_GUARD,XR(F)::R1(E)
- B(e);N_GUARD::R(F)+P(J),XS(h)
- R(c);N_GUARD::S(G)
- R(c);N_GUARD,N_PINP(I)::S(G),XR(c)
- R(c);N_PINP(I)::P(I)
- B(e);N_PINP(I)::P(I)
- B(e);N_GUARD::R1(E)
- B(e);N_GUARD::R1(E),XB(e)
- S(h);N_PINP(I)::P(I)
- S(h);N_GUARD::B(D),XS(h)
- S(h);N_GUARD::B(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).