MESON Chess Problem Database
Problem Display
PID: 146628 (6RK/2B1p2P/2n1prp1/4rpN1/2Rb1k1p/2N4P/8/2nB2Q1 w - - 0 1)
Meschick, AG
Good Companions (February), 1918
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Rf7
- 2.Sxe6#
- 1...Rf8
- 2.Sxe6#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 1...Sb4
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sb8
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...Rf7
- Tries
- 1.Kg7?
- 1...Rf8
- 2.Sxe6#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 1...Sb4
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sb8
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...Rf7+!
- 1...Rf8
- 1.Sf3?
- threat
- 2.Qg5#
- 1...g5
- 2.Qxg5#
- 1...Se2!
- threat
- 1.Sf7?
- threat
- 2.Qf2#
- 2.Qg5#
- 1...Se2
- 2.Qf2#
- 1...Sd3
- 2.Qg5#
- 1...g5
- 2.Qf2#
- 2.Qxg5#
- 1...Rxf7!
- threat
- 1.Bxe5+?
- 1...Sxe5
- 2.Rxd4#
- 1...Kxe5!
- 1...Sxe5
- 1.Bd6?
- 1...Rf7
- 2.Sxe6#
- 1...Rf8
- 2.Sxe6#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 1...Sb4
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sb8
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...exd6!
- 1...Rf7
- 1.Bb8?
- 1...Rf7
- 2.Sxe6#
- 1...Rf8
- 2.Sxe6#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 1...Sb4
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...Sxb8!
- 1...Rf7
- 1.Ra4?
- 1...Rf7
- 2.Sxe6#
- 1...Rf8
- 2.Sxe6#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 1...Sa5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sb8
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...Sb4!
- 1...Rf7
- 1.Rb4?
- 1...Rf7
- 2.Sxe6#
- 1...Rf8
- 2.Sxe6#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 1...Sa5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sb8
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...Sxb4!
- 1...Rf7
- 1.Rg7?
- 1...Rf7
- 2.Sxe6#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 1...Sb4
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sb8
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...Rf8+!
- 1...Rf7
- 1.Ra8?
- 1...Rf7
- 2.Sxe6#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 1...Sb4
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sb8
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...Rf8+!
- 1...Rf7
- 1.Rb8?
- 1...Sxb8
- 2.Rxd4#
- 1...Rf7
- 2.Sxe6#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 1...Sb4
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...Rf8+!
- 1...Sxb8
- 1.Rc8?
- 1...Rf7
- 2.Sxe6#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 1...Sb4
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sb8
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...Rf8+!
- 1...Rf7
- 1.Rd8?
- 1...Sxd8
- 2.Rxd4#
- 1...Rf7
- 2.Sxe6#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 1...Sb4
- 2.Rcxd4#
- 2.Rdxd4#
- 1...Sa5
- 2.Rcxd4#
- 2.Rdxd4#
- 1...Sa7
- 2.Rcxd4#
- 2.Rdxd4#
- 1...Sb8
- 2.Rcxd4#
- 2.Rdxd4#
- 1...Rf8+!
- 1...Sxd8
- 1.Re8?
- 1...Rf7
- 2.Sxe6#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 1...Sb4
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sb8
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...Rf8+!
- 1...Rf7
- 1.Rf8?
- 1...Rf7
- 2.Sxe6#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 1...Sb4
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sb8
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...Rxf8+!
- 1...Rf7
- 1.Qxd4+?
- 1...Kg3
- 2.Qg1#
- 1...Kxg5
- 2.Qf4#
- 2.Qxh4#
- 1...Sxd4!
- 1...Kg3
- 1.Kg7?
- Keys
- 1.Bh5!
- 1...gxh5
- 2.Qf2#
- 1...Rf7
- 2.Sxe6#
- 1...Rf8
- 2.Sxe6#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 1...Sb4
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sb8
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...gxh5
- 1.Bh5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(i);N_GUARD::S(F),XP(h)
- R(i);N_GUARD,P_PINR(I)::S(F),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(g);N_GUARD::R(E),XB(b)
- Tries
- Try
- K(J);S_FLIGHT
- Vars
- R(i);N_GUARD::S(F),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(g);N_GUARD::R(E),XB(b)
- Refutation
- R(i);CHECK
- Try
- S(F);
- Threat
- QAB1(B)
- Vars
- P(j);::QAB1(B),XP(j)
- Refutation
- S(a);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(a);::QAR2(B)
- S(a);::QAB1(B)
- Refutation
- R(i);XS(F)
- Try
- B(G);CHECK,XR(e)
- Vars
- S(g);SBLOCK,XB(G)::R(E),XB(b)
- Refutation
- K(c);N_SPINB(b),S_FLIGHT,XB(G)
- Try
- B(G);
- Vars
- R(i);N_GUARD::S(F),XP(h)
- R(i);N_GUARD,P_PINR(I)::S(F),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(g);N_GUARD::R(E),XB(b)
- Refutation
- P(k);N_SPINR(e),XB(G)
- Try
- B(G);
- Vars
- R(i);N_GUARD::S(F),XP(h)
- R(i);N_GUARD,P_PINR(I)::S(F),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(g);N_GUARD::R(E),XB(b)
- Refutation
- S(g);N_SPINR(e),XB(G)
- Try
- R(E);
- Vars
- R(i);N_GUARD::S(F),XP(h)
- R(i);N_GUARD,P_PINR(I)::S(F),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(g);N_GUARD::R(E),XB(b)
- Refutation
- S(g);N_SPINB(b)
- Try
- R(E);
- Vars
- R(i);N_GUARD::S(F),XP(h)
- R(i);N_GUARD,P_PINR(I)::S(F),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(g);N_GUARD::R(E),XB(b)
- Refutation
- S(g);N_SPINB(b),XR(E)
- Try
- R(I);
- Vars
- R(i);N_GUARD::S(F),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(g);N_GUARD::R(E),XB(b)
- Refutation
- R(i);CHECK
- Try
- R(I);
- Vars
- R(i);N_GUARD::S(F),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(g);N_GUARD::R(E),XB(b)
- Refutation
- R(i);CHECK
- Try
- R(I);
- Vars
- S(g);N_GUARD,XR(I)::R(E),XB(b)
- R(i);N_GUARD::S(F),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(g);N_GUARD::R(E),XB(b)
- Refutation
- R(i);CHECK
- Try
- R(I);
- Vars
- R(i);N_GUARD::S(F),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(g);N_GUARD::R(E),XB(b)
- Refutation
- R(i);CHECK
- Try
- R(I);
- Vars
- S(g);N_GUARD,XR(I)::R(E),XB(b)
- R(i);N_GUARD::S(F),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- R(i);CHECK
- Try
- R(I);
- Vars
- R(i);N_GUARD::S(F),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(g);N_GUARD::R(E),XB(b)
- Refutation
- R(i);CHECK
- Try
- R(I);
- Vars
- R(i);N_GUARD::S(F),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(g);N_GUARD::R(E),XB(b)
- Refutation
- R(i);CHECK,XR(I)
- Try
- Q(B);CHECK,XB(b)
- Vars
- K(c);S_FLIGHT::QAR2(B)
- Refutation
- S(g);P_SPINS(g),XQ(B)
- Try
- Actual
- B(A);
- Vars
- P(j);XB(A)::QAR2(B)
- R(i);N_GUARD::S(F),XP(h)
- R(i);N_GUARD,P_PINR(I)::S(F),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(g);N_GUARD::R(E),XB(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).