MESON Chess Problem Database
Problem Display
PID: 146049 (1rRN1Q2/2q1P2K/nbBk1B2/8/N1p5/P3n3/8/8 w - - 0 1)
Cassinelli, A
Magyar Sakkvilag, 1932
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Qxd8
- 2.exd8S#
- 1...Qxe7+
- 2.Qxe7#
- 1...Qxc8
- 2.e8S#
- 1...Qxd8
- Tries
- 1.Kg6?
- threat
- 2.e8S#
- 1...Qxd8
- 2.exd8S#
- 1...Qxe7
- 2.Qxe7#
- 1...Qxc6!
- threat
- 1.Kg8?
- threat
- 2.e8S#
- 1...Qxd8
- 2.exd8S#
- 1...Qxe7
- 2.Qxe7#
- 1...Qxc6!
- threat
- 1.Kh8?
- threat
- 2.e8S#
- 1...Qxd8
- 2.exd8S#
- 1...Qxe7
- 2.Qxe7#
- 1...Qxc6!
- threat
- 1.Kg6?
- Keys
- 1.Sc3!
- threat
- 2.Se4#
- 1...Qxe7+
- 2.Qxe7#
- 1...Kc5
- 2.Se4#
- 1...Qxd8
- 2.exd8S#
- 1...Qxc6
- 2.e8Q#
- 2.e8B#
- 1...Qxc8
- 2.e8S#
- 1...Sc5
- 2.Sb5#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(f);N_PINP(E),XS(H)::PXQ(f)=S
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(E)::QAB1(I),XQ(f)
- Q(f);N_PINP(E),XR(G)::P=S
- Tries
- Try
- K(F);N_SPINP(E),S_FLIGHT
- Threat
- P=S
- Vars
- Q(f);OGATE,XS(H)::PXQ(f)=S
- Q(f);OGATE,P_SPINQ(f),XP(E)::QAB1(I),XQ(f)
- Refutation
- Q(f);XB(C)
- Try
- K(F);N_SPINP(E),S_FLIGHT
- Threat
- P=S
- Vars
- Q(f);OGATE,P_PINQ(I),XS(H)::PXQ(f)=S
- Q(f);OGATE,P_SPINQ(f),XP(E)::QAB1(I),XQ(f)
- Refutation
- Q(f);XB(C)
- Try
- K(F);N_SPINP(E),P-FLIGHT
- Threat
- P=S
- Vars
- Q(f);OGATE,P_PINQ(I),XS(H)::PXQ(f)=S
- Q(f);OGATE,P_SPINQ(f),XP(E)::QAB1(I),XQ(f)
- Refutation
- Q(f);XB(C)
- Try
- Actual
- S(B);
- Threat
- S(B)
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(E)::QAB1(I),XQ(f)
- K(e);S_FLIGHT::S(B)
- Q(f);N_PINP(E),XS(H)::PXQ(f)=S
- Q(f);N_PINP(E),XB(C)::P=Q
- Q(f);N_PINP(E),XR(G)::P=S
- S(c);SBLOCK::S(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).