MESON Chess Problem Database
Problem Display
PID: 158033 (1n1RK2Q/2Np1P2/2pr2p1/4R3/2pk1P2/2p1r3/2Bn1N2/6B1 w - - 0 1)
Aliovsadzade, Rauf Gadzhiaga ogli
Sachove umeni (Ceskoslovensky sach), 1979
#2
10 + 10
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Sxd3#
- 1...Rh3
- 2.Sxh3#
- 1...Re4
- 2.Sxe4#
- 1...Rxe5+
- 2.Qxe5#
- 1...Re6+
- 2.Sxe6#
- 1...Se4
- 2.Rd5#
- 1...c5
- 2.Sb5#
- 2.Re4#
- 1...Rd3
- Tries
- 1.Sd1?
- threat
- 2.Bxe3#
- 1...Re6+
- 2.Sxe6#
- 1...Sf1!
- threat
- 1.Sh1?
- threat
- 2.Bxe3#
- 1...Re6+
- 2.Sxe6#
- 1...Se4
- 2.Rd5#
- 1...Sf1!
- threat
- 1.Sd3?
- threat
- 2.Bxe3#
- 2.Re6#
- 1...Re6+
- 2.Sxe6#
- 2.Rxe6#
- 1...Rd5
- 2.Bxe3#
- 1...Rf6
- 2.Bxe3#
- 1...Sf1
- 2.Re6#
- 1...Sf3
- 2.Bxe3#
- 1...Se4
- 2.Rd5#
- 1...cxd3!
- threat
- 1.Sh3?
- threat
- 2.Bxe3#
- 1...Re6+
- 2.Sxe6#
- 1...Se4
- 2.Rd5#
- 1...Sf1!
- threat
- 1.Se4?
- threat
- 2.Rd5#
- 2.Re6#
- 1...Re6+
- 2.Sxe6#
- 2.Rxe6#
- 1...Sxe4
- 2.Rd5#
- 1...Rd5
- 2.Rxd5#
- 1...Sf3
- 2.Rd5#
- 1...Rf6!
- threat
- 1.Sg4?
- threat
- 2.Bxe3#
- 1...Re6+
- 2.Sxe6#
- 1...Sf1!
- threat
- 1.Se6+?
- 1...dxe6
- 2.Rxd6#
- 1...Rxe6+!
- 1...dxe6
- 1.Re6+?
- 1...Re5
- 2.Sd1#
- 2.Sh1#
- 2.Sh3#
- 2.Se4#
- 2.Sg4#
- 2.Qxe5#
- 1...Kc5!
- 1...Re5
- 1.Rxd7?
- threat
- 2.Se6#
- 2.Rxd6#
- 1...Rxe5+
- 2.Qxe5#
- 1...Rxd7
- 2.Se6#
- 1...Re4
- 2.Sxe4#
- 1...Rd5
- 2.Se6#
- 1...Se4
- 2.Se6#
- 2.Rd5#
- 1...Sxd7!
- threat
- 1.Sd1?
- Keys
- 1.f8Q!
- threat
- 2.Qxd6#
- 1...Rxe5+
- 2.Qxe5#
- 1...Re6+
- 2.Sxe6#
- 1...Re4
- 2.Sxe4#
- 1...Rd5
- 2.Re4#
- 1...Rf6
- 2.Qc5#
- 1...Se4
- 2.Rd5#
- threat
- 1.f8Q!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(c);N_PINR(E)::B(A)+S(C),XR(c)
- R(c);::B(A)+S(C),XR(c)
- R(c);CHECK,OGATE,P_SPINR(c),XR(E)::QAB1(J),XR(c)
- R(g);CHECK,N_GUARD,N_PINR(E),P_SPINP(i)::S(F),XR(g)
- S(a);N_PINR(E)::QAB(J)+R(E),DCHECK
- Tries
- Try
- S(C);P_PINR(c)
- Threat
- B(A),XR(c)
- Vars
- R(g);CHECK,N_GUARD,N_PINR(E),P_SPINP(i)::S(F),XR(g)
- Refutation
- S(a);
- Try
- S(C);P_PINR(c)
- Threat
- B(A),XR(c)
- Vars
- R(g);CHECK,N_GUARD,N_PINR(E),P_SPINP(i)::S(F),XR(g)
- S(a);N_PINR(E)::QAB(J)+R(E),DCHECK
- Refutation
- S(a);
- Try
- S(C);P_PINR(c)
- Threat
- DUALS(2)
- Vars
- R(g);::B(A),XR(c)
- R(g);P_SPINP(i)::B(A),XR(c)
- S(a);::QAB(J)+R(E)
- S(a);::B(A),XR(c)
- S(a);N_PINR(E),SBLOCK::QAB(J)+R(E),DCHECK
- Refutation
- P(d);XS(C)
- Try
- S(C);P_PINR(c)
- Threat
- B(A),XR(c)
- Vars
- R(g);CHECK,N_GUARD,N_PINR(E),P_SPINP(i)::S(F),XR(g)
- S(a);N_PINR(E)::QAB(J)+R(E),DCHECK
- Refutation
- S(a);
- Try
- S(C);N_SPINR(E),P_PINR(c)
- Threat
- DUALS(2)
- Vars
- S(a);XS(C)::QAB(J)+R(E),DCHECK
- R(g);::QAB(J)+R(E),DCHECK,XR(g)
- S(a);::QAB(J)+R(E),DCHECK
- Refutation
- R(g);P_SPINP(i)
- Try
- S(C);P_PINR(c)
- Threat
- B(A),XR(c)
- Vars
- R(g);CHECK,N_GUARD,N_PINR(E),P_SPINP(i)::S(F),XR(g)
- Refutation
- S(a);
- Try
- S(F);CHECK,N_SPINR(E)
- Vars
- P(i);OGATE,P_SPINR(g),XS(F)::R(H),XR(g)
- Refutation
- R(g);CHECK,P_SPINP(i),XS(F)
- Try
- R(E);CHECK
- Refutation
- K(e);S_FLIGHT
- Try
- R(H);P_PINR(g),XP(i)
- Threat
- DUALS(2)
- Vars
- R(c);CHECK,N_SPINR(g),OGATE,P_SPINR(c),XR(E)::QAB1(J),XR(c)
- R(g);N_SPINR(g),XR(H)::S(F)
- R(c);::B(A)+S(C),XR(c)
- R(g);::S(F)
- Refutation
- S(j);N_SPINR(g),XR(H)
- Try
- Actual
- P(G);
- Threat
- QAR2(G),XR(g)
- Vars
- R(c);CHECK,OGATE,P_SPINR(c),XR(E)::QAB1(J),XR(c)
- R(g);CHECK,N_GUARD,N_PINR(E),P_SPINP(i)::S(F),XR(g)
- R(c);::B(A)+S(C),XR(c)
- R(g);::QAB(J)+R(E),DCHECK
- R(g);OGATE,P_SPINP(i)::QAB1(G)
- S(a);N_PINR(E)::QAB(J)+R(E),DCHECK
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).