MESON Chess Problem Database
Problem Display
PID: 242110 (8/2nn2Q1/1p6/1Rb3P1/2pN1kbR/2Npr2p/1PPB3K/7B w - - 0 1)
Zilahi, Zoltan
Magyar Sakkvilag, 1944
#2
11 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ba3
- 2.Rf5#
- 1...Bb4
- 2.Rf5#
- 1...Bxd4
- 2.Qxd4#
- 1...Bd6
- 2.Rf5#
- 1...Be7
- 2.Rf5#
- 1...Bf8
- 2.Rf5#
- 1...Sxb5
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sa6
- 2.Sd5#
- 1...Se6
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Se8
- 2.Sd5#
- 1...Se5
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sb8
- 2.Qf6#
- 1...Sf8
- 2.Qf6#
- 1...dxc2
- 2.Sce2#
- 1...Ba3
- Tries
- 1.Sd1?
- threat
- 2.Bxe3#
- 1...Bxd4
- 2.Qxd4#
- 1...Sf6
- 2.Qxf6#
- 1...Sd5!
- threat
- 1.Bg2?
- 1...Bxd4
- 2.Qxd4#
- 1...Sxb5
- 2.Sd5#
- 1...dxc2
- 2.Sce2#
- 1...Sf6
- 2.Qxf6#
- 1...Ba3
- 2.Rf5#
- 1...Bb4
- 2.Rf5#
- 1...Bd6
- 2.Rf5#
- 1...Be7
- 2.Rf5#
- 1...Bf8
- 2.Rf5#
- 1...Sd5
- 2.Sxd5#
- 1...Sa6
- 2.Sd5#
- 1...Se6
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Se8
- 2.Sd5#
- 1...Se5
- 2.Qf6#
- 1...Sb8
- 2.Qf6#
- 1...Sf8
- 2.Qf6#
- 1...hxg2!
- 1...Bxd4
- 1.Bf3?
- threat
- 2.Rxg4#
- 1...Sf6
- 2.Qxf6#
- 1...Se5
- 2.Qf6#
- 1...Bxd4!
- threat
- 1.Bc1?
- 1...Bxd4
- 2.Qxd4#
- 1...Sxb5
- 2.Sd5#
- 1...dxc2
- 2.Sce2#
- 1...Sf6
- 2.Qxf6#
- 1...Sd5
- 2.Sxd5#
- 1...Ba3
- 2.Rf5#
- 1...Bb4
- 2.Rf5#
- 1...Bd6
- 2.Rf5#
- 1...Be7
- 2.Rf5#
- 1...Bf8
- 2.Rf5#
- 1...Sa6
- 2.Sd5#
- 1...Se6
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Se8
- 2.Sd5#
- 1...Se5
- 2.Qf6#
- 1...Sb8
- 2.Qf6#
- 1...Sf8
- 2.Qf6#
- 1...d2!
- 1...Bxd4
- 1.Rxc5?
- threat
- 2.Rf5#
- 1...Sxc5
- 2.Qf6#
- 1...Sd5
- 2.Sxd5#
- 1...Se5
- 2.Qxe5#
- 2.Qf6#
- 1...bxc5!
- threat
- 1.Qe7?
- threat
- 2.Bxe3#
- 2.Qxe3#
- 1...Bxd4
- 2.Qe4#
- 1...Bxe7
- 2.Rf5#
- 1...Sd5
- 2.Sxd5#
- 1...Se5
- 2.Qf6#
- 1...Se6!
- threat
- 1.Qh7?
- threat
- 2.Qf5#
- 1...Kxg5
- 2.Qh6#
- 1...Ke5!
- threat
- 1.b3?
- 1...Bxd4
- 2.Qxd4#
- 1...Sxb5
- 2.Sd5#
- 1...dxc2
- 2.Sce2#
- 1...Sf6
- 2.Qxf6#
- 1...Sd5
- 2.Sxd5#
- 1...Ba3
- 2.Rf5#
- 1...Bb4
- 2.Rf5#
- 1...Bd6
- 2.Rf5#
- 1...Be7
- 2.Rf5#
- 1...Bf8
- 2.Rf5#
- 1...Sa6
- 2.Sd5#
- 1...Se6
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Se8
- 2.Sd5#
- 1...Se5
- 2.Qf6#
- 1...Sb8
- 2.Qf6#
- 1...Sf8
- 2.Qf6#
- 1...cxb3!
- 1...Bxd4
- 1.b4?
- 1...Bxb4
- 2.Rf5#
- 1...Bxd4
- 2.Qxd4#
- 1...Sxb5
- 2.Sd5#
- 1...dxc2
- 2.Sce2#
- 1...Sf6
- 2.Qxf6#
- 1...Sd5
- 2.Sxd5#
- 1...Bd6
- 2.Rf5#
- 1...Be7
- 2.Rf5#
- 1...Bf8
- 2.Rf5#
- 1...Sa6
- 2.Sd5#
- 1...Se6
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Se8
- 2.Sd5#
- 1...Se5
- 2.Qf6#
- 1...Sb8
- 2.Qf6#
- 1...Sf8
- 2.Qf6#
- 1...cxb4 ep!
- 1...Bxb4
- 1.cxd3?
- threat
- 2.Sce2#
- 1...Sf6
- 2.Qxf6#
- 1...cxd3!
- threat
- 1.Sd1?
- Keys
- 1.Be4!
- 1...Bxd4
- 2.Rf5#
- 1...Sxb5
- 2.Se6#
- 1...dxc2
- 2.Sde2#
- 1...Sf6
- 2.Qxf6#
- 1...Ba3
- 2.Rf5#
- 1...Bb4
- 2.Rf5#
- 1...Bd6
- 2.Rf5#
- 1...Be7
- 2.Rf5#
- 1...Bf8
- 2.Rf5#
- 1...Sd5
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sa8
- 2.Se6#
- 1...Se8
- 2.Se6#
- 1...Se5
- 2.Qf6#
- 1...Sb8
- 2.Qf6#
- 1...Sf8
- 2.Qf6#
- 1...Bxd4
- 1.Be4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(g);OGATE::R1(I)
- B(g);OGATE,XS(G)::QAR2(K),XB(g)
- S(i);N_GUARD,XR(I)::S(F)
- S(i);N_GUARD::S(F),XS(i)
- S(i);N_GUARD::S(F)
- S(j);N_GUARD::QAR2(K)
- S(j);N_GUARD::QAR2(K),XS(j)
- P(a);N_GUARD,XP(C)::S(F)
- Tries
- Try
- S(F);
- Threat
- B(D),XR(b)
- Vars
- B(g);OGATE,XS(G)::QAR2(K),XB(g)
- S(j);N_GUARD::QAR2(K),XS(j)
- Refutation
- S(i);
- Try
- B(A);
- Vars
- B(g);OGATE,XS(G)::QAR2(K),XB(g)
- S(i);N_GUARD,XR(I)::S(F)
- P(a);N_GUARD,XP(C)::S(F)
- S(j);N_GUARD::QAR2(K),XS(j)
- B(g);OGATE::R1(I)
- S(i);N_GUARD::S(F),XS(i)
- S(i);N_GUARD::S(F)
- S(j);N_GUARD::QAR2(K)
- Refutation
- P(c);XB(A)
- Try
- B(A);
- Threat
- R1(H),XB(f)
- Vars
- S(j);N_GUARD::QAR2(K),XS(j)
- S(j);N_GUARD::QAR2(K)
- Refutation
- B(g);XS(G)
- Try
- B(D);
- Vars
- B(g);OGATE,XS(G)::QAR2(K),XB(g)
- S(i);N_GUARD,XR(I)::S(F)
- P(a);N_GUARD,XP(C)::S(F)
- S(j);N_GUARD::QAR2(K),XS(j)
- S(i);N_GUARD::S(F),XS(i)
- B(g);OGATE::R1(I)
- S(i);N_GUARD::S(F)
- S(j);N_GUARD::QAR2(K)
- Refutation
- P(a);N_SPINR(b)
- Try
- R(I);XB(g)
- Threat
- R1(I)
- Vars
- S(j);N_GUARD,XR(I)::QAR2(K)
- S(i);N_GUARD::S(F),XS(i)
- Refutation
- P(h);XR(I)
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- B(g);XS(G)::QAR1(K)
- B(g);OGATE,XQ(K)::R1(I)
- S(i);N_GUARD::S(F),XS(i)
- S(j);N_GUARD::QAR2(K)
- Refutation
- S(i);
- Try
- Q(K);
- Threat
- QAR1(K)
- Vars
- K(e);N_SPINB(f),OGATEB,P_SPINB(g),S_FLIGHT,XP(J)::QAB1(K)
- Refutation
- K(e);N_SPINB(f),N_SPINR(b),P_SPINB(g),S_FLIGHT
- Try
- P(B);
- Vars
- B(g);OGATE,XS(G)::QAR2(K),XB(g)
- S(i);N_GUARD,XR(I)::S(F)
- P(a);N_GUARD,XP(C)::S(F)
- S(j);N_GUARD::QAR2(K),XS(j)
- S(i);N_GUARD::S(F),XS(i)
- B(g);OGATE::R1(I)
- S(i);N_GUARD::S(F)
- S(j);N_GUARD::QAR2(K)
- Refutation
- P(d);XP(B)
- Try
- P(B);
- Vars
- B(g);OGATE,XP(B)::R1(I)
- B(g);OGATE,XS(G)::QAR2(K),XB(g)
- S(i);N_GUARD,XR(I)::S(F)
- P(a);N_GUARD,XP(C)::S(F)
- S(j);N_GUARD::QAR2(K),XS(j)
- S(i);N_GUARD::S(F),XS(i)
- B(g);OGATE::R1(I)
- S(i);N_GUARD::S(F)
- S(j);N_GUARD::QAR2(K)
- Refutation
- P(d);EP,XP(B)
- Try
- P(C);XP(a)
- Threat
- S(F)
- Vars
- S(j);N_GUARD::QAR2(K),XS(j)
- Refutation
- P(d);XP(C)
- Try
- Actual
- B(A);
- Vars
- B(g);OGATE,XS(G)::R1(I)
- S(i);N_GUARD,XR(I)::S(G)
- P(a);N_GUARD,XP(C)::S(G)
- S(j);N_GUARD::QAR2(K),XS(j)
- B(g);OGATE::R1(I)
- S(i);N_GUARD::S(G)
- S(i);N_GUARD::S(G),XS(i)
- S(j);N_GUARD::QAR2(K)
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).