MESON Chess Problem Database
Problem Display
PID: 101391 (3r4/1BRp3p/2r2P1K/3kp1p1/p2pN1Q1/R3P3/1N6/8 w - - 0 1)
Simay-Molnar, Aladar
1st HM., Good Companions, 1923
#2
9 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra8
- 2.Rxd7#
- 1...Rb8
- 2.Rxd7#
- 1...Rc8
- 2.Rxd7#
- 1...Re8
- 2.Rxd7#
- 1...Rf8
- 2.Rxd7#
- 1...Rg8
- 2.Rxd7#
- 1...Rh8
- 2.Rxd7#
- 1...dxe3
- 2.Rd3#
- 1...d3
- 2.Rxd3#
- 1...d6
- 2.Bxc6#
- 1...Ra8
- Tries
- 1.Kh5?
- 1...dxe3
- 2.Rd3#
- 1...Ra8
- 2.Rxd7#
- 1...Rb8
- 2.Rxd7#
- 1...Rc8
- 2.Rxd7#
- 1...Re8
- 2.Rxd7#
- 1...Rf8
- 2.Rxd7#
- 1...Rg8
- 2.Rxd7#
- 1...Rh8
- 2.Rxd7#
- 1...d3
- 2.Rxd3#
- 1...d6
- 2.Bxc6#
- 1...h6!
- 1...dxe3
- 1.Kxh7?
- 1...dxe3
- 2.Rd3#
- 1...Ra8
- 2.Rxd7#
- 1...Rb8
- 2.Rxd7#
- 1...Rc8
- 2.Rxd7#
- 1...Re8
- 2.Rxd7#
- 1...Rf8
- 2.Rxd7#
- 1...Rg8
- 2.Rxd7#
- 1...d3
- 2.Rxd3#
- 1...d6
- 2.Bxc6#
- 1...Rh8+!
- 1...dxe3
- 1.Ba8?
- 1...dxe3
- 2.Rd3#
- 1...Rb8
- 2.Rxd7#
- 1...Rc8
- 2.Rxd7#
- 1...Re8
- 2.Rxd7#
- 1...Rf8
- 2.Rxd7#
- 1...Rg8
- 2.Rxd7#
- 1...Rh8
- 2.Rxd7#
- 1...d3
- 2.Rxd3#
- 1...d6
- 2.Bxc6#
- 1...Rxa8!
- 1...dxe3
- 1.Rb3?
- threat
- 2.Rb5#
- 1...dxe3
- 2.Rd3#
- 1...axb3!
- threat
- 1.Rc3?
- threat
- 2.Rc5#
- 1...dxe3
- 2.Rd3#
- 1...d6
- 2.Bxc6#
- 1...dxc3!
- threat
- 1.Rd3?
- 1...Ra8
- 2.Rxd7#
- 1...Rb8
- 2.Rxd7#
- 1...Rc8
- 2.Rxd7#
- 1...Re8
- 2.Rxd7#
- 1...Rf8
- 2.Rxd7#
- 1...Rg8
- 2.Rxd7#
- 1...Rh8
- 2.Rxd7#
- 1...d6
- 2.Bxc6#
- 1...a3!
- 1...Ra8
- 1.Rxa4?
- threat
- 2.Ra5#
- 1...Ra8
- 2.Rxd7#
- 1...dxe3!
- threat
- 1.Rxc6?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rcc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rc7#
- 2.Rc8#
- 1...dxe3
- 2.Sc3#
- 2.Rd3#
- 2.Rc4#
- 2.Rd6#
- 1...Rb8
- 2.Rc5#
- 2.Rd6#
- 1...Rc8
- 2.Rc5#
- 2.Rd6#
- 2.Rc7#
- 2.Rxc8#
- 1...d6
- 2.Rc1#
- 2.Rc2#
- 2.Rcc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rxd6#
- 2.Rc7#
- 2.Rc8#
- 1...dxc6!
- threat
- 1.Qf5?
- 1...dxe3
- 2.Rd3#
- 1...Ra8
- 2.Rxd7#
- 1...Rb8
- 2.Rxd7#
- 1...Rc8
- 2.Rxd7#
- 1...Re8
- 2.Rxd7#
- 1...Rf8
- 2.Rxd7#
- 1...Rg8
- 2.Rxd7#
- 1...Rh8
- 2.Rxd7#
- 1...d3
- 2.Rxd3#
- 1...d6
- 2.Bxc6#
- 1...g4!
- 1...dxe3
- 1.Qxd7+?
- 1...Kxe4
- 2.Bxc6#
- 1...Rxd7!
- 1...Kxe4
- 1.Kh5?
- Keys
- 1.exd4!
- 1...Kxd4
- 2.Rd3#
- 1...exd4
- 2.Qf5#
- 1...Ra8
- 2.Rxd7#
- 1...Rb8
- 2.Rxd7#
- 1...Rc8
- 2.Rxd7#
- 1...Re8
- 2.Rxd7#
- 1...Rf8
- 2.Rxd7#
- 1...Rg8
- 2.Rxd7#
- 1...Rh8
- 2.Rxd7#
- 1...d6
- 2.Sc3#
- 1...Kxd4
- 1.exd4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(i);N_GUARD::R(I),XP(g)
- P(b);OGATEB,XP(C)::R(B)
- P(b);OGATEB::R(B),XP(b)
- P(g);N_GUARD,N_PINP(F)::B(H),XR(f)
- Tries
- Try
- K(G);N_SPINP(F),P-FLIGHT
- Vars
- P(b);OGATEB,XP(C)::R(B)
- R(i);N_GUARD::R(I),XP(g)
- P(b);OGATEB::R(B),XP(b)
- P(g);N_GUARD::B(H),XR(f)
- Refutation
- P(h);
- Try
- K(G);N_SPINP(F),P-FLIGHT,XP(h)
- Vars
- P(b);OGATEB,XP(C)::R(B)
- R(i);N_GUARD::R(I),XP(g)
- P(b);OGATEB::R(B),XP(b)
- P(g);N_GUARD::B(H),XR(f)
- Refutation
- R(i);CHECK
- Try
- B(H);
- Vars
- P(b);OGATEB,XP(C)::R(B)
- R(i);N_GUARD::R(I),XP(g)
- P(b);OGATEB::R(B),XP(b)
- P(g);N_GUARD,N_PINP(F)::B(H),XR(f)
- Refutation
- R(i);N_SPINR(f),XB(H)
- Try
- R(B);
- Threat
- R(B)
- Vars
- P(b);OGATEB,XP(C)::R(B)
- Refutation
- P(a);XR(B)
- Try
- R(B);
- Threat
- R1(B)
- Vars
- P(b);OGATEB,XP(C)::R(B)
- P(g);N_GUARD,N_PINP(F)::B(H),XR(f)
- Refutation
- P(b);XR(B)
- Try
- R(B);P_PINP(b)
- Vars
- R(i);N_GUARD::R(I),XP(g)
- P(g);N_GUARD,N_PINP(F)::B(H),XR(f)
- Refutation
- P(a);
- Try
- R(B);XP(a)
- Threat
- R(B)
- Vars
- R(i);N_GUARD::R(I),XP(g)
- Refutation
- P(b);XP(C)
- Try
- R(I);N_SPINP(F),XR(f)
- Threat
- DUALS(11)
- Refutation
- P(g);P_SPINP(g),XR(I)
- Try
- Q(E);P_PINP(d)
- Vars
- P(b);OGATEB,XP(C)::R(B)
- R(i);N_GUARD::R(I),XP(g)
- P(b);OGATEB::R(B),XP(b)
- P(g);N_GUARD,N_PINP(F)::B(H),XR(f)
- Refutation
- P(e);
- Try
- Q(E);CHECK,XP(g)
- Vars
- K(c);S_FLIGHT,XS(D)::B(H),XR(f)
- Refutation
- R(i);XQ(E)
- Try
- Actual
- P(C);XP(b)
- Vars
- K(c);N_SPINR(f),OGATEB,P-FLIGHT,XP(C)::R1(B)
- P(d);OGATEB,SBLOCK,XP(C)::QAR2(E)
- R(i);N_GUARD::R(I),XP(g)
- P(g);N_PINP(F),SBLOCK::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).