MESON Chess Problem Database
Problem Display
PID: 195066 (8/5K1n/3pN1R1/3QbkP1/p2P3p/PpR4P/2rP1r2/1B1N1n2 w - - 0 1)
Meschick, AG
Brisbane Courier, 1918
#2
12 + 10
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rxd2
- 2.Rf3#
- 1...Re2
- 2.Rf3#
- 1...Rg2
- 2.Rf3#
- 1...Rh2
- 2.Rf3#
- 1...Rf3
- 2.Rxf3#
- 1...Rf4
- 2.Sg7#
- 1...Sxd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Sxg5+
- 2.Rxg5#
- 1...Sf6
- 2.Rxf6#
- 1...Sf8
- 2.Rf6#
- 1...b2
- 2.Bxc2#
- 1...Rxd2
- Tries
- 1.Sxf2?
- threat
- 2.Rf3#
- 2.Qe4#
- 1...Sxg5+
- 2.Rxg5#
- 1...Sh2
- 2.Qe4#
- 1...Se3
- 2.Qe4#
- 1...Sg3
- 2.Rf3#
- 1...Sf6
- 2.Rf3#
- 2.Rxf6#
- 1...Sxd2!
- threat
- 1.Rxb3?
- threat
- 2.Bxc2#
- 1...Sxg5+
- 2.Rxg5#
- 1...Rxd2
- 2.Rf3#
- 1...Sxd2
- 2.Se3#
- 1...Re2
- 2.Rf3#
- 1...Rf3
- 2.Rxf3#
- 1...Rf4
- 2.Sg7#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Sf6
- 2.Rxf6#
- 1...axb3!
- threat
- 1.Rg3?
- 1...Sxg5+
- 2.R3xg5#
- 2.R6xg5#
- 1...Rxd2
- 2.Rf3#
- 1...Sxd2
- 2.Se3#
- 1...Sxg3
- 2.Se3#
- 1...Re2
- 2.Rf3#
- 1...Rg2
- 2.Rf3#
- 1...Rh2
- 2.Rf3#
- 1...Rf3
- 2.Rxf3#
- 1...Rf4
- 2.Sg7#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sf6
- 2.Rxf6#
- 1...Sf8
- 2.Rf6#
- 1...b2
- 2.Bxc2#
- 1...hxg3!
- 1...Sxg5+
- 1.Qf3+?
- 1...Bf4
- 2.Sg7#
- 2.Qd3#
- 1...Rxf3!
- 1...Bf4
- 1.dxe5?
- threat
- 2.exd6#
- 1...Sxg5+
- 2.Rxg5#
- 1...Rxd2
- 2.Rf3#
- 1...Re2
- 2.Rf3#
- 1...Se3
- 2.Sxe3#
- 1...Sf6
- 2.Rxf6#
- 2.exf6#
- 1...dxe5!
- threat
- 1.Sxf2?
- Keys
- 1.Rc5!
- 1...Sxg5+
- 2.Rxg5#
- 1...Rxd2
- 2.Qf3#
- 1...Sxd2
- 2.Se3#
- 1...dxc5
- 2.Qxe5#
- 1...Re2
- 2.Qf3#
- 1...Rg2
- 2.Qf3#
- 1...Rh2
- 2.Qf3#
- 1...Rf3
- 2.Qxf3#
- 1...Rf4
- 2.Sg7#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Sf6
- 2.Rxf6#
- 1...Sf8
- 2.Rf6#
- 1...b2
- 2.Bxc2#
- 1...Sxg5+
- 1.Rc5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD,XP(C)::R(E)
- R(c);N_GUARD::R(E)
- R(c);N_GUARD::R(E),XR(c)
- R(c);SBLOCK::S(J)
- S(a);N_GUARD,XP(C)::S(B)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(j);CHECK,OGATE,XP(I)::R1(K),XS(j)
- S(j);N_GUARD::R1(K),XS(j)
- S(j);N_GUARD::R1(K)
- P(d);N_GUARD::B(A),XR(b)
- Tries
- Try
- S(B);XR(c)
- Threat
- DUALS(2)
- Vars
- S(j);CHECK,OGATE,XP(I)::R1(K),XS(j)
- S(a);::QAB1(H)
- S(a);::R(E)
- Refutation
- S(a);XP(C)
- Try
- R(E);XP(d)
- Threat
- B(A),XR(b)
- Vars
- S(j);CHECK,OGATE,XP(I)::R1(K),XS(j)
- R(c);N_GUARD,XP(C)::R(E)
- S(a);N_GUARD,XP(C)::S(B)
- R(c);N_GUARD::R(E)
- R(c);N_GUARD::R(E),XR(c)
- R(c);SBLOCK::S(J)
- S(a);N_GUARD::S(B),XS(a)
- S(a);N_GUARD::S(B)
- S(j);N_GUARD::R1(K),XS(j)
- Refutation
- P(e);XR(E)
- Try
- R(E);
- Vars
- R(c);N_GUARD,XP(C)::R(E)
- S(a);N_GUARD,XP(C)::S(B)
- S(a);N_GUARD,XR(E)::S(B)
- R(c);N_GUARD::R(E)
- R(c);N_GUARD::R(E),XR(c)
- R(c);SBLOCK::S(J)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(j);N_GUARD::R1(K),XS(j)
- S(j);N_GUARD::R1(K)
- P(d);N_GUARD::B(A),XR(b)
- Refutation
- P(f);XR(E)
- Try
- Q(H);CHECK,N_PINB(g)
- Refutation
- R(c);XQ(H)
- Try
- P(G);XB(g)
- Threat
- QAR(H)+P(G),XP(i)
- Vars
- S(j);CHECK,OGATE,XP(I)::R1(K),XS(j)
- R(c);N_GUARD,XP(C)::R(E)
- R(c);N_GUARD::R(E)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- P(i);P_SPINP(i),XP(G)
- Try
- Actual
- R(E);
- Vars
- S(j);CHECK,OGATE,XP(I)::R1(K),XS(j)
- R(c);N_GUARD,XP(C)::QAR2(H)
- S(a);N_GUARD,XP(C)::S(B)
- P(i);N_GUARD,XR(E)::QAR1(H),XB(g)
- R(c);N_GUARD::QAR2(H)
- R(c);N_GUARD::QAR2(H),XR(c)
- R(c);SBLOCK::S(J)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(j);N_GUARD::R1(K),XS(j)
- S(j);N_GUARD::R1(K)
- P(d);N_GUARD::B(A),XR(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).