MESON Chess Problem Database
Problem Display
PID: 239501 (Q1b3B1/1pKp4/5pp1/R1Bp1k2/1P1PN2R/5r2/6N1/8 w - - 0 1)
Haring, Jacobus
Magyar Sakkelet, 1968
#2
10 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Se3#
- 1...Rf2
- 2.Se3#
- 1...Ra3
- 2.Rf4#
- 1...Rb3
- 2.Rf4#
- 1...Rc3
- 2.Rf4#
- 1...Rd3
- 2.Rf4#
- 1...Re3
- 2.Sxe3#
- 2.Rf4#
- 1...Rg3
- 2.Rf4#
- 1...Rh3
- 2.Rf4#
- 1...Rf4
- 2.Rxf4#
- 1...b5
- 2.Qxd5#
- 1...b6
- 2.Qxd5#
- 1...d6
- 2.Qxc8#
- 1...Rf1
- Tries
- 1.Kb6?
- 1...dxe4
- 2.Bd6#
- 1...Rf4
- 2.Rxf4#
- 1...Rf1
- 2.Se3#
- 1...Rf2
- 2.Se3#
- 1...Ra3
- 2.Rf4#
- 1...Rb3
- 2.Rf4#
- 1...Rc3
- 2.Rf4#
- 1...Rd3
- 2.Rf4#
- 1...Re3
- 2.Sxe3#
- 2.Rf4#
- 1...Rg3
- 2.Rf4#
- 1...Rh3
- 2.Rf4#
- 1...d6
- 2.Qxc8#
- 1...g5!
- 1...dxe4
- 1.Bf7?
- 1...Rf4
- 2.Rxf4#
- 1...Rf1
- 2.Se3#
- 1...Rf2
- 2.Se3#
- 1...Ra3
- 2.Rf4#
- 1...Rb3
- 2.Rf4#
- 1...Rc3
- 2.Rf4#
- 1...Rd3
- 2.Rf4#
- 1...Re3
- 2.Sxe3#
- 2.Rf4#
- 1...Rg3
- 2.Rf4#
- 1...Rh3
- 2.Rf4#
- 1...g5
- 2.Sd6#
- 1...b5
- 2.Qxd5#
- 1...b6
- 2.Qxd5#
- 1...d6
- 2.Qxc8#
- 1...dxe4!
- 1...Rf4
- 1.Rb5?
- 1...dxe4
- 2.Bd6#
- 1...Rf4
- 2.Rxf4#
- 1...Rf1
- 2.Se3#
- 1...Rf2
- 2.Se3#
- 1...Ra3
- 2.Rf4#
- 1...Rb3
- 2.Rf4#
- 1...Rc3
- 2.Rf4#
- 1...Rd3
- 2.Rf4#
- 1...Re3
- 2.Sxe3#
- 2.Rf4#
- 1...Rg3
- 2.Rf4#
- 1...Rh3
- 2.Rf4#
- 1...b6
- 2.Qxd5#
- 1...d6
- 2.Qxc8#
- 1...g5!
- 1...dxe4
- 1.Ra6?
- threat
- 2.Rxf6#
- 1...bxa6
- 2.Qxd5#
- 1...Rf4
- 2.Rxf4#
- 1...b6
- 2.Qxd5#
- 1...d6
- 2.Qxc8#
- 1...dxe4!
- threat
- 1.Qxc8?
- threat
- 2.Qxd7#
- 1...dxe4
- 2.Bb6#
- 1...Rf4
- 2.Rxf4#
- 1...g5!
- threat
- 1.Kb6?
- Keys
- 1.Kd6!
- 1...dxe4
- 2.Bb6#
- 1...Rf4
- 2.Rxf4#
- 1...g5
- 2.Bh7#
- 1...Rf1
- 2.Se3#
- 1...Rf2
- 2.Se3#
- 1...Ra3
- 2.Rf4#
- 1...Rb3
- 2.Rf4#
- 1...Rc3
- 2.Rf4#
- 1...Rd3
- 2.Rf4#
- 1...Re3
- 2.Sxe3#
- 2.Rf4#
- 1...Rg3
- 2.Rf4#
- 1...Rh3
- 2.Rf4#
- 1...b5
- 2.Qxd5#
- 1...b6
- 2.Qxd5#
- 1...dxe4
- 1.Kd6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::R1(E)
- R(a);N_GUARD,P_PINB(G)::R1(E)
- R(a);N_GUARD::R1(E),XR(a)
- P(f);OGATE::QAR2(I),XP(b)
- P(g);OGATEB::QAB(I),XB(h)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- P(b);OGATEB,XS(D)::R(F)+B(G)
- R(a);N_GUARD::R1(E),XR(a)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::R1(E)
- R(a);N_GUARD,P_PINP(B)::R1(E)
- P(g);OGATEB::QAB(I),XB(h)
- Refutation
- P(e);
- Try
- B(J);
- Vars
- R(a);N_GUARD::R1(E),XR(a)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::R1(E)
- R(a);N_GUARD,P_PINB(G)::R1(E)
- P(e);SBLOCK::S(D)
- P(f);OGATE::QAR2(I),XP(b)
- P(g);OGATEB::QAB(I),XB(h)
- Refutation
- P(b);XS(D)
- Try
- R(F);
- Vars
- P(b);OGATEB,XS(D)::R(F)+B(G)
- R(a);N_GUARD::R1(E),XR(a)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::R1(E)
- R(a);N_GUARD,P_PINB(G)::R1(E)
- P(f);OGATE::QAR2(I),XP(b)
- P(g);OGATEB::QAB(I),XB(h)
- Refutation
- P(e);
- Try
- R(F);
- Threat
- R1(F),XP(d)
- Vars
- P(f);OGATE,XR(F)::QAR2(I),XP(b)
- R(a);N_GUARD::R1(E),XR(a)
- P(f);OGATE::QAR2(I),XP(b)
- P(g);OGATEB::QAB(I),XB(h)
- Refutation
- P(b);XS(D)
- Try
- Q(I);P_PINP(g),XB(h)
- Threat
- QAB(I),XP(g)
- Vars
- P(b);OGATEB,XS(D)::R(F)+B(G)
- R(a);N_GUARD::R1(E),XR(a)
- Refutation
- P(e);
- Try
- Actual
- K(H);S_FLIGHT
- Vars
- P(b);OGATEB,XS(D)::R(F)+B(G)
- R(a);N_GUARD::R1(E),XR(a)
- P(e);OGATEB::B(J)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::R1(E)
- P(f);OGATE::QAR2(I),XP(b)
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).