MESON Chess Problem Database
Problem Display
PID: 258325 (1nn3Q1/3pp3/3pq1NK/1B1k3p/3P4/4PP2/1bR5/4R3 w - - 0 1)
Murarasu, Ion
Buletin Problemistic, 1990
#2
9 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qf7
- 2.Sf4#
- 1...Qxg8
- 2.Sf4#
- 1...Bxd4
- 2.e4#
- 1...Sc6
- 2.Bc4#
- 1...Qf7
- Tries
- 1.Kg5?
- threat
- 2.Sf4#
- 1...Bxd4
- 2.e4#
- 1...Qxg8!
- threat
- 1.Kxh5?
- threat
- 2.Sf4#
- 1...Bxd4
- 2.e4#
- 1...Qf7!
- threat
- 1.Bd3?
- threat
- 2.Be4#
- 1...Qxg8
- 2.Sf4#
- 1...Qf7
- 2.Sf4#
- 1...Bc3!
- threat
- 1.Bxd7?
- threat
- 2.Bxe6#
- 2.Qxe6#
- 1...Qxg8
- 2.Sf4#
- 1...Bc3
- 2.Qxe6#
- 1...Qf7
- 2.Sf4#
- 1...Sxd7!
- threat
- 1.Rd1?
- threat
- 2.e4#
- 1...Qxg8
- 2.Sf4#
- 1...Qf7
- 2.Sf4#
- 1...Bc1!
- threat
- 1.Rh1?
- threat
- 2.Rxh5#
- 1...Qxg8
- 2.Sf4#
- 1...Bxd4
- 2.e4#
- 1...Qf7
- 2.Sf4#
- 1...Sc6
- 2.Bc4#
- 1...h4!
- threat
- 1.Rd2?
- threat
- 2.e4#
- 1...Qxg8
- 2.Sf4#
- 1...Qf7
- 2.Sf4#
- 1...Bxd4!
- threat
- 1.Rc4?
- threat
- 2.e4#
- 1...Qxg8
- 2.Sf4#
- 1...Qf7
- 2.Sf4#
- 1...Bc1!
- threat
- 1.Qxe6+?
- 1...dxe6
- 2.Sf4#
- 1...Kxe6!
- 1...dxe6
- 1.Kg5?
- Keys
- 1.Rg1!
- threat
- 2.Rg5#
- 1...Qxg8
- 2.Sf4#
- 1...Bxd4
- 2.e4#
- 1...Qf7
- 2.Sf4#
- 1...Sc6
- 2.Bc4#
- threat
- 1.Rg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(e);N_PINS(G)::S(G)
- Q(e);N_PINS(G),N_SPINQ(e),XQ(I)::S(G)
- B(a);SBLOCK,XP(E)::P(C)
- S(h);SBLOCK::B(F)
- Tries
- Try
- K(H);N_SPINS(G),S_FLIGHT
- Threat
- S(G)
- Vars
- B(a);SBLOCK,XP(E)::P(C)
- Refutation
- Q(e);N_SPINQ(e),P_PINS(G),XQ(I)
- Try
- K(H);N_SPINS(G),P-FLIGHT,XP(c)
- Threat
- S(G)
- Vars
- B(a);SBLOCK,XP(E)::P(C)
- Refutation
- Q(e);P_PINS(G)
- Try
- B(F);
- Threat
- B(F)
- Vars
- Q(e);N_PINS(G),N_SPINQ(e),XQ(I)::S(G)
- Q(e);N_PINS(G)::S(G)
- Refutation
- B(a);
- Try
- B(F);XP(f)
- Threat
- DUALS(2)
- Vars
- Q(e);N_PINS(G),N_SPINQ(e),XQ(I)::S(G)
- B(a);::QAB1(I),XQ(e)
- Q(e);N_PINS(G)::S(G)
- Refutation
- S(h);XB(F)
- Try
- R(A);
- Threat
- P(C)
- Vars
- Q(e);N_PINS(G),N_SPINQ(e),XQ(I)::S(G)
- Q(e);N_PINS(G)::S(G)
- Refutation
- B(a);P_PINP(C)
- Try
- R(A);
- Threat
- R(A),XP(c)
- Vars
- Q(e);N_PINS(G),N_SPINQ(e),XQ(I)::S(G)
- B(a);SBLOCK,XP(E)::P(C)
- Q(e);N_PINS(G)::S(G)
- S(h);SBLOCK::B(F)
- Refutation
- P(c);
- Try
- R(B);
- Threat
- P(C)
- Vars
- Q(e);N_PINS(G),N_SPINQ(e),XQ(I)::S(G)
- Q(e);N_PINS(G)::S(G)
- Refutation
- B(a);P_SPINB(a),XP(E)
- Try
- R(B);
- Threat
- P(C)
- Vars
- Q(e);N_PINS(G),N_SPINQ(e),XQ(I)::S(G)
- Q(e);N_PINS(G)::S(G)
- Refutation
- B(a);P_PINP(C)
- Try
- Q(I);CHECK,N_SPINS(G),XQ(e)
- Vars
- P(f);XQ(I)::S(G)
- Refutation
- K(b);S_FLIGHT,XQ(I)
- Try
- Actual
- R(A);
- Threat
- R(A)
- Vars
- Q(e);N_PINS(G),N_SPINQ(e),XQ(I)::S(G)
- B(a);SBLOCK,XP(E)::P(C)
- Q(e);N_PINS(G)::S(G)
- S(h);SBLOCK::B(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).