MESON Chess Problem Database
Problem Display
PID: 94631 (7B/5p2/K2N1nq1/1B1p1Q2/1p1r3R/1Pk2p1b/R7/n1N5 w - - 0 1)
Szoghy, Jozsef
British Chess Magazine, 1951
#2
9 + 10
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sc2
- 2.Rxc2#
- 1...Sxb3
- 2.Rc2#
- 1...Se4
- 2.Qxf3#
- 1...Sg4
- 2.Qc8#
- 1...Sh5
- 2.Bxd4#
- 1...Sd7
- 2.Bxd4#
- 1...Sh7
- 2.Bxd4#
- 1...Se8
- 2.Bxd4#
- 1...Sg8
- 2.Bxd4#
- 1...Sc2
- Tries
- 1.Bf1?
- threat
- 2.Sb5#
- 1...Sc2
- 2.Rxc2#
- 1...Se4
- 2.Qxf3#
- 1...Sg4
- 2.Qc8#
- 1...Sh5
- 2.Bxd4#
- 1...Sd7
- 2.Bxd4#
- 1...Sh7
- 2.Bxd4#
- 1...Se8
- 2.Bxd4#
- 1...Sg8
- 2.Bxd4#
- 1...Bxf1+!
- threat
- 1.Bd3?
- threat
- 2.Sb5#
- 1...Sc2
- 2.Rxc2#
- 1...Sg4
- 2.Qc8#
- 1...Sh5
- 2.Bxd4#
- 1...Sd7
- 2.Bxd4#
- 1...Sh7
- 2.Bxd4#
- 1...Se8
- 2.Bxd4#
- 1...Sg8
- 2.Bxd4#
- 1...Se4!
- threat
- 1.Ba4?
- threat
- 2.Sb5#
- 1...Sxb3
- 2.Rc2#
- 1...Sc2
- 2.Rxc2#
- 1...Se4
- 2.Qxf3#
- 1...Sg4
- 2.Qc8#
- 1...Sh5
- 2.Bxd4#
- 1...Sd7
- 2.Bxd4#
- 1...Sh7
- 2.Bxd4#
- 1...Se8
- 2.Bxd4#
- 1...Sg8
- 2.Bxd4#
- 1...Bf1+!
- threat
- 1.Bc4?
- threat
- 2.Sb5#
- 1...Sxb3
- 2.Rc2#
- 1...Sc2
- 2.Rxc2#
- 1...Se4
- 2.Qxf3#
- 1...Sh5
- 2.Bxd4#
- 1...Sd7
- 2.Bxd4#
- 1...Sh7
- 2.Bxd4#
- 1...Se8
- 2.Bxd4#
- 1...Sg8
- 2.Bxd4#
- 1...Sg4!
- threat
- 1.Bc6?
- threat
- 2.Sb5#
- 1...Sxb3
- 2.Rc2#
- 1...Sc2
- 2.Rxc2#
- 1...Bf1+!
- threat
- 1.Be8?
- threat
- 2.Sb5#
- 1...Sxb3
- 2.Rc2#
- 1...Sxe8
- 2.Bxd4#
- 1...Sc2
- 2.Rxc2#
- 1...Sg4
- 2.Qc8#
- 1...Se4
- 2.Qxf3#
- 1...Sh5
- 2.Bxd4#
- 1...Sd7
- 2.Bxd4#
- 1...Sh7
- 2.Bxd4#
- 1...Sg8
- 2.Bxd4#
- 1...Bf1+!
- threat
- 1.Bf1?
- Keys
- 1.Be2!
- threat
- 2.Sb5#
- 1...Sc2
- 2.Rxc2#
- 1...Se4
- 2.Qxf3#
- 1...Sg4
- 2.Qc8#
- 1...Sh5
- 2.Bxd4#
- 1...Sd7
- 2.Bxd4#
- 1...Sh7
- 2.Bxd4#
- 1...Se8
- 2.Bxd4#
- 1...Sg8
- 2.Bxd4#
- threat
- 1.Be2!
This anticipates 53103(1954)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- S(a);N_GUARD::R1(B),XS(a)
- S(a);N_GUARD,XP(C)::R1(B)
- S(h);P_PINS(H),P_SPINR(f),S_CUTQ(i)::QAR(F),XP(c)
- S(h);P_PINS(H),P_SPINR(f),S_CUTB(d)::QAR(F)
- S(h);OGATE,P_PINS(H),P_SPINR(f)::B(I),XR(f)
- Tries
- Try
- B(E);
- Threat
- S(H)
- Vars
- S(a);N_GUARD::R1(B),XS(a)
- S(h);P_PINS(H),P_SPINR(f),S_CUTQ(i)::QAR(F),XP(c)
- S(h);P_PINS(H),P_SPINR(f),S_CUTB(d)::QAR(F)
- S(h);OGATE,P_PINS(H),P_SPINR(f)::B(I),XR(f)
- Refutation
- B(d);CHECK,XB(E)
- Try
- B(E);
- Threat
- S(H)
- Vars
- S(a);N_GUARD::R1(B),XS(a)
- S(h);P_PINS(H),P_SPINR(f),S_CUTB(d)::QAR(F)
- S(h);OGATE,P_PINS(H),P_SPINR(f)::B(I),XR(f)
- Refutation
- S(h);P_PINS(H),P_SPINR(f)
- Try
- B(E);
- Threat
- S(H)
- Vars
- S(a);N_GUARD,XP(C)::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(h);P_PINS(H),P_SPINR(f),S_CUTQ(i)::QAR(F),XP(c)
- S(h);P_PINS(H),P_SPINR(f),S_CUTB(d)::QAR(F)
- S(h);OGATE,P_PINS(H),P_SPINR(f)::B(I),XR(f)
- Refutation
- B(d);CHECK
- Try
- B(E);
- Threat
- S(H)
- Vars
- S(a);N_GUARD,XP(C)::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(h);P_PINS(H),P_SPINR(f),S_CUTQ(i)::QAR(F),XP(c)
- S(h);OGATE,P_PINS(H),P_SPINR(f)::B(I),XR(f)
- Refutation
- S(h);P_PINS(H),P_SPINR(f)
- Try
- B(E);
- Threat
- S(H)
- Vars
- S(a);N_GUARD,XP(C)::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- Refutation
- B(d);CHECK
- Try
- B(E);
- Threat
- S(H)
- Vars
- S(a);N_GUARD,XP(C)::R1(B)
- S(h);OGATE,P_PINS(H),P_SPINR(f),XB(E)::B(I),XR(f)
- S(a);N_GUARD::R1(B),XS(a)
- S(h);P_PINS(H),P_SPINR(f),S_CUTB(d)::QAR(F)
- S(h);P_PINS(H),P_SPINR(f),S_CUTQ(i)::QAR(F),XP(c)
- S(h);OGATE,P_PINS(H),P_SPINR(f)::B(I),XR(f)
- Refutation
- B(d);CHECK
- Try
- Actual
- B(E);
- Threat
- S(H)
- Vars
- S(a);N_GUARD::R1(B),XS(a)
- S(h);P_PINS(H),P_SPINR(f),S_CUTQ(i)::QAR(F),XP(c)
- S(h);P_PINS(H),P_SPINR(f),S_CUTB(d)::QAR(F)
- S(h);OGATE,P_PINS(H),P_SPINR(f)::B(I),XR(f)
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).