MESON Chess Problem Database
Problem Display
PID: 227873 (6k1/p2R2P1/Pp6/1K1p3b/3B2RQ/7P/8/8 w - - 0 1)
Zilahi, Zoltan
Magyar Sakkvilag, 1926
#2
8 + 5
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kh7
- 2.g8S#
- 1...Bxg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...Kh7
- Tries
- 1.Ka4?
- 1...Kh7
- 2.g8S#
- 1...Bxg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...b5+!
- 1...Kh7
- 1.Kb4?
- 1...Kh7
- 2.g8S#
- 1...Bxg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...b5!
- 1...Kh7
- 1.Kc6?
- 1...Kh7
- 2.g8S#
- 1...Bxg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...b5!
- 1...Kh7
- 1.Ba1?
- 1...Kh7
- 2.g8S#
- 1...Bxg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...d4!
- 1...Kh7
- 1.Bb2?
- 1...Kh7
- 2.g8S#
- 1...Bxg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...d4!
- 1...Kh7
- 1.Bc3?
- 1...Kh7
- 2.g8S#
- 1...Bxg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...d4!
- 1...Kh7
- 1.Be3?
- 1...Kh7
- 2.g8Q#
- 2.g8R#
- 1...Bxg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...d4!
- 1...Kh7
- 1.Be5?
- 1...Kh7
- 2.g8S#
- 1...Bxg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...d4!
- 1...Kh7
- 1.Bf6?
- 1...Kh7
- 2.g8S#
- 1...Bxg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...d4!
- 1...Kh7
- 1.Rg1?
- 1...Kh7
- 2.g8S#
- 1...Bd1
- 2.Qh8#
- 1...Bf3
- 2.Qh8#
- 1...Bg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...Be2+!
- 1...Kh7
- 1.Rg2?
- 1...Kh7
- 2.g8S#
- 1...Bd1
- 2.Qh8#
- 1...Bf3
- 2.Qh8#
- 1...Bg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...Be2+!
- 1...Kh7
- 1.Rg3?
- 1...Kh7
- 2.g8S#
- 1...Bd1
- 2.Qh8#
- 1...Bf3
- 2.Qh8#
- 1...Bg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...Be2+!
- 1...Kh7
- 1.Rg5?
- 1...Kh7
- 2.g8S#
- 1...Bd1
- 2.Qh8#
- 1...Bf3
- 2.Qh8#
- 1...Bg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...Be2+!
- 1...Kh7
- 1.Rg6?
- 1...Kh7
- 2.g8Q#
- 2.g8R#
- 1...Bxg6
- 2.Qh8#
- 1...Bd1
- 2.Qh8#
- 1...Bf3
- 2.Qh8#
- 1...Bg4
- 2.Qh8#
- 1...Be2+!
- 1...Kh7
- 1.Rxa7?
- 1...Kh7
- 2.g8S#
- 1...Bxg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8+!
- 1...Kh7
- 1.Rb7?
- 1...Kh7
- 2.g8S#
- 1...Bxg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8+!
- 1...Kh7
- 1.Rc7?
- 1...Kh7
- 2.g8S#
- 1...Bxg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8+!
- 1...Kh7
- 1.Re7?
- 1...Kh7
- 2.g8S#
- 1...Bxg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8+!
- 1...Kh7
- 1.Rd8+?
- 1...Kf7
- 2.Qf6#
- 2.g8Q#
- 2.g8B#
- 1...Kh7
- 2.Rh8#
- 2.Qxh5#
- 1...Be8+!
- 1...Kf7
- 1.Qd8+?
- 1...Kh7
- 2.Qh8#
- 1...Be8!
- 1...Kh7
- 1.Ka4?
- Keys
- 1.Rf7!
- 1...Kxf7
- 2.g8Q#
- 1...Kh7
- 2.g8S#
- 1...Bxg4
- 2.Rf8#
- 1...Bxf7
- 2.Qh8#
- 1...Bg6
- 2.Rf8#
- 1...Kxf7
- 1.Rf7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- B(b);OGATE,P_PINR(G)::QAR1(D)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- B(b);OGATE,P_PINR(G)::QAR1(D)
- Refutation
- P(c);CHECK
- Try
- K(E);P-FLIGHT
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- Refutation
- P(c);
- Try
- K(E);S_FLIGHT
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- B(b);OGATE,P_PINR(G)::QAR1(D)
- Refutation
- P(c);
- Try
- B(B);
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- B(b);OGATE,P_PINR(G)::QAR1(D)
- Refutation
- P(a);
- Try
- B(B);
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- B(b);OGATE,P_PINR(G)::QAR1(D)
- Refutation
- P(a);
- Try
- B(B);
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- B(b);OGATE,P_PINR(G)::QAR1(D)
- Refutation
- P(a);
- Try
- B(B);
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=Q
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- B(b);OGATE,P_PINR(G)::QAR1(D)
- Refutation
- P(a);
- Try
- B(B);
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- B(b);OGATE,P_PINR(G)::QAR1(D)
- Refutation
- P(a);
- Try
- B(B);
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- B(b);OGATE,P_PINR(G)::QAR1(D)
- Refutation
- P(a);
- Try
- R(C);
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE::QAR1(D)
- B(b);OGATE,P_PINR(G)::QAR1(D)
- Refutation
- B(b);CHECK
- Try
- R(C);
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE::QAR1(D)
- B(b);OGATE,P_PINR(G)::QAR1(D)
- Refutation
- B(b);CHECK
- Try
- R(C);
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE::QAR1(D)
- B(b);OGATE,P_PINR(G)::QAR1(D)
- Refutation
- B(b);CHECK
- Try
- R(C);
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE::QAR1(D)
- B(b);OGATE,P_PINR(G)::QAR1(D)
- Refutation
- B(b);CHECK
- Try
- R(C);
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=Q
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- Refutation
- B(b);CHECK
- Try
- R(G);XP(d)
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- Refutation
- B(b);CHECK
- Try
- R(G);
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- Refutation
- B(b);CHECK
- Try
- R(G);
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- Refutation
- B(b);CHECK
- Try
- R(G);
- Vars
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);OGATE,XR(C)::QAR1(D)
- B(b);OGATE::QAR1(D)
- Refutation
- B(b);CHECK
- Try
- R(G);CHECK
- Refutation
- B(b);CHECK,P_SPINB(b)
- Try
- Q(D);CHECK
- Vars
- K(e);OGATE,S_FLIGHT::QAR1(D)
- Refutation
- B(b);P_PINR(G),P_SPINB(b)
- Try
- Actual
- R(G);
- Vars
- K(e);OGATE,S_FLIGHT,XR(G)::P=Q
- K(e);OGATE,P_SPINB(b),S_FLIGHT::P=S
- B(b);XR(C)::R1(G)
- B(b);OGATE,SBLOCK,XR(G)::QAR1(D)
- B(b);::R1(G)
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).