MESON Chess Problem Database
Problem Display
PID: 240129 (2RnN3/Ppr5/3np3/1pB1kq1R/1N6/1P1Q2P1/2Kpr3/3B4 w - - 0 1)
Zilahi, Zoltan
Nepszava, 1941
#2
11 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.Qxd6#
- 1...Rxc5+
- 2.Rxc5#
- 1...Rd7
- 2.Bd4#
- 1...Re7
- 2.Bd4#
- 2.Bxd6#
- 1...Rf7
- 2.Bd4#
- 2.Bxd6#
- 1...Rg7
- 2.Bd4#
- 2.Bxd6#
- 1...Rh7
- 2.Bd4#
- 2.Bxd6#
- 1...Sc4
- 2.Bd4#
- 1...Se4
- 2.Qd4#
- 1...Sc6
- 2.Bxd6#
- 1...Re4
- Tries
- 1.Kb1?
- threat
- 2.Bd4#
- 2.Bxd6#
- 1...Rxc5
- 2.Rxc5#
- 1...Sxc8
- 2.Bd4#
- 1...Re4
- 2.Bxd6#
- 2.Qxd6#
- 1...Rc6
- 2.Bd4#
- 1...Rd7
- 2.Bd4#
- 1...Sc4
- 2.Bd4#
- 1...Se4
- 2.Bd4#
- 2.Qd4#
- 1...S6f7
- 2.Bd4#
- 1...Sc6
- 2.Bxd6#
- 1...S8f7
- 2.Bd4#
- 1...Sxe8!
- threat
- 1.Kb2?
- threat
- 2.Bd4#
- 2.Bxd6#
- 2.Qd4#
- 1...Qxh5
- 2.Bd4#
- 2.Bxd6#
- 1...Rxc5
- 2.Rxc5#
- 1...Sxc8
- 2.Bd4#
- 2.Qxe2#
- 2.Qd4#
- 1...Sxe8
- 2.Qd4#
- 1...Qg5
- 2.Bd4#
- 2.Bxd6#
- 1...Re4
- 2.Bxd6#
- 2.Qxd6#
- 1...Rc6
- 2.Bd4#
- 2.Qd4#
- 1...Rd7
- 2.Bd4#
- 2.Qd4#
- 1...Se4
- 2.Bd4#
- 2.Qd4#
- 1...S6f7
- 2.Bd4#
- 2.Qxe2#
- 2.Qd4#
- 1...Sc6
- 2.Bxd6#
- 1...S8f7
- 2.Bd4#
- 2.Qd4#
- 1...Sc4+!
- threat
- 1.Sc6+?
- 1...Sxc6
- 2.Bxd6#
- 1...bxc6
- 2.Bxd6#
- 1...Rxc6!
- 1...Sxc6
- 1.Rxf5+?
- 1...exf5
- 2.Qd5#
- 1...Sxf5!
- 1...exf5
- 1.Rxc7?
- threat
- 2.Bd4#
- 2.Bxd6#
- 1...Re4
- 2.Bxd6#
- 2.Qxd6#
- 1...Sc4
- 2.Bd4#
- 1...Se4
- 2.Bd4#
- 2.Qd4#
- 1...S6f7
- 2.Bd4#
- 1...Sc8
- 2.Bd4#
- 1...Sc6
- 2.Bxd6#
- 1...S8f7
- 2.Bd4#
- 1...Sxe8!
- threat
- 1.Kb1?
- Keys
- 1.a8Q!
- threat
- 2.Qa1#
- 1...Rxc5+
- 2.Rxc5#
- 1...Re4
- 2.Qxd6#
- 1...Sc4
- 2.Bd4#
- 1...Se4
- 2.Qd4#
- 1...Sc6
- 2.Bxd6#
- threat
- 1.a8Q!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(b);N_PINQ(D),SBLOCK::QAB1(D),XS(f)
- R(i);CHECK,OGATE,XB(G)::R(J),XR(i)
- R(i);N_PINB(G)::B(G)
- S(f);N_PINB(G)::B(G)
- S(f);N_PINQ(D)::QAB1(D)
- S(j);N_PINB(G)::B(G),XS(f)
- Tries
- Try
- K(B);N_SPINB(G),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(i);OGATE,XB(G)::R(J),XR(i)
- S(f);XR(J)::B(G)
- R(i);::B(G)
- S(f);::B(G)
- S(j);::B(G),XS(f)
- S(j);::B(G)
- Refutation
- S(f);XS(K)
- Try
- K(B);N_SPINB(G),N_SPINQ(D),P-FLIGHT
- Threat
- DUALS(3)
- Vars
- R(i);OGATE,XB(G)::R(J),XR(i)
- S(f);XS(K)::QAB1(D)
- S(j);::B(G),XS(f)
- Refutation
- S(f);CHECK
- Try
- S(F);CHECK,N_SPINB(G)
- Vars
- S(j);XS(F)::B(G),XS(f)
- P(h);XS(F)::B(G),XS(f)
- Refutation
- R(i);P_PINB(G),XS(F)
- Try
- R(H);CHECK,N_SPINQ(D),XQ(e)
- Vars
- P(g);SBLOCK,XR(H)::QAR1(D)
- Refutation
- S(f);XR(H)
- Try
- R(J);N_SPINB(G),XR(i)
- Threat
- DUALS(2)
- Vars
- S(f);::B(G)
- S(j);::B(G),XS(f)
- S(j);::B(G)
- Refutation
- S(f);XS(K)
- Try
- Actual
- P(I);
- Threat
- QAB(I)
- Vars
- R(i);CHECK,OGATE,XB(G)::R(J),XR(i)
- R(b);N_PINQ(D),SBLOCK::QAB1(D),XS(f)
- S(f);N_PINB(G)::B(G)
- S(f);N_PINQ(D)::QAB1(D)
- S(j);N_PINB(G)::B(G),XS(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).