MESON Chess Problem Database
Problem Display
PID: 239708 (2R2n2/3b2N1/8/3k4/pK2N3/4bQ2/4R3/B7 w - - 0 1)
Szoghy, Jozsef
Magyar Sakkelet, 1960
#2
7 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Rc5#
- 2.Qd3#
- 1...Bd2+
- 2.Rxd2#
- 1...Bf4
- 2.Rc5#
- 2.Qd3#
- 1...Bc5+
- 2.Rxc5#
- 1...Bg5
- 2.Rc5#
- 2.Qd3#
- 1...Bh6
- 2.Rc5#
- 2.Qd3#
- 1...Bb5
- 2.Qf5#
- 1...Bf5
- 2.Qxf5#
- 1...Bc6
- 2.Qf5#
- 1...Be8
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Bc1
- Tries
- 1.Sc3+?
- 1...Kd4
- 2.Qe4#
- 2.Qd5#
- 2.Qxe3#
- 1...Ke5
- 2.Sb5#
- 1...Kd6!
- 1...Kd4
- 1.Rd2+?
- 1...Bd4
- 2.Rc5#
- 1...Bxd2+!
- 1...Bd4
- 1.Rxe3?
- threat
- 2.Rd3#
- 2.Rc5#
- 2.Qd1#
- 1...Bg4
- 2.Rd3#
- 2.Rc5#
- 1...Bb5
- 2.Rc5#
- 2.Qh5#
- 2.Qf5#
- 1...Bc6
- 2.Rd3#
- 2.Qd1#
- 2.Qh5#
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Bxc8!
- threat
- 1.Rc6?
- threat
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 2.Rd6#
- 1...Bd2+
- 2.Sxd2#
- 1...Bc5+
- 2.Sxc5#
- 2.Rxc5#
- 1...Bxc6
- 2.Qf5#
- 1...Bd4
- 2.Sd2#
- 2.Sf2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 1...Bf2
- 2.Sd2#
- 2.Sxf2#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 2.Rd6#
- 1...Bf4
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 2.Rc5#
- 1...Bg5
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sd6#
- 2.Sf6#
- 2.Rc5#
- 2.Rd6#
- 1...Bg4
- 2.Sf6#
- 2.Rd6#
- 1...Bf5
- 2.Sf6#
- 2.Rd6#
- 1...Kxc6!
- threat
- 1.Qh5+?
- 1...Bg5
- 2.Rc5#
- 1...Bf5
- 2.Qxf5#
- 1...Kxe4!
- 1...Bg5
- 1.Qxe3?
- threat
- 2.Rd2#
- 2.Rc5#
- 2.Qd2#
- 2.Qd4#
- 2.Qc5#
- 2.Qd3#
- 1...Bxc8
- 2.Qc5#
- 1...Bb5
- 2.Rc5#
- 2.Qd4#
- 2.Qc5#
- 2.Qg5#
- 1...Bc6
- 2.Rd2#
- 2.Qd2#
- 2.Qd4#
- 2.Qc5#
- 2.Qg5#
- 2.Qd3#
- 1...Se6!
- threat
- 1.Qf4?
- threat
- 2.Sc3#
- 2.Sf6#
- 2.Qe5#
- 1...Bd2+
- 2.Rxd2#
- 2.Qxd2#
- 1...Bc5+
- 2.Rxc5#
- 1...Bxf4
- 2.Rc5#
- 1...Bd4
- 2.Qd6#
- 1...Sg6
- 2.Sc3#
- 2.Sf6#
- 1...Sh7
- 2.Sc3#
- 2.Qe5#
- 1...Bxc8!
- threat
- 1.Qf7+?
- 1...Be6
- 2.Qb7#
- 1...Se6
- 2.Qf5#
- 1...Kxe4!
- 1...Be6
- 1.Sc3+?
- Keys
- 1.Sf5!
- threat
- 2.Sc5#
- 2.Sg5#
- 1...Bd2+
- 2.Sxd2#
- 2.Sc3#
- 1...Bc5+
- 2.Sxc5#
- 1...Ke6
- 2.Sg5#
- 1...Bxf5
- 2.Qxf5#
- 1...Bg5
- 2.Sd2#
- 2.Sf2#
- 2.Sc3#
- 2.Seg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sed6#
- 2.Sf6#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- B(a);CHECK,N_GUARD::R(B),XB(a)
- B(a);CHECK,N_GUARD::R1(G),XB(a)
- B(d);N_GUARD::QAR2(C)
- B(d);N_GUARD::QAR2(C),XB(d)
- S(e);S_CUTB(d)::QAR2(C)
- Tries
- Try
- S(E);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINB(a)::B(A)+S(E)
- Refutation
- K(c);P-FLIGHT
- Try
- R(B);CHECK
- Vars
- B(a);P_SPINB(a)::R1(G)
- Refutation
- B(a);CHECK,XR(B)
- Try
- R(B);XB(a)
- Threat
- DUALS(3)
- Vars
- S(e);S_CUTB(d)::QAR2(C)
- Refutation
- B(d);XR(G)
- Try
- R(G);
- Threat
- DUALS(8)
- Vars
- B(a);CHECK::QAB(C)+S(E),XB(a)
- B(d);N_GUARD,SBLOCK,XR(G)::QAR2(C)
- Refutation
- K(c);S_FLIGHT,XR(G)
- Try
- Q(C);CHECK
- Vars
- B(a);P_SPINB(a)::R1(G)
- B(d);N_GUARD,P_SPINB(d)::QAR2(C),XB(d)
- Refutation
- K(c);P_SPINB(a),S_FLIGHT,XS(E)
- Try
- Q(C);XB(a)
- Threat
- DUALS(6)
- Vars
- B(d);XR(G)::QAR1(C)
- Refutation
- S(e);
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- B(a);CHECK,N_GUARD::R1(G),XB(a)
- B(a);N_GUARD,XQ(C)::R1(G)
- B(a);::QAR1(C)
- Refutation
- B(d);XR(G)
- Try
- Q(C);CHECK
- Vars
- B(d);OGATE,P_SPINB(d)::QAB(C)
- S(e);P_SPINS(e),S_CUTB(d)::QAR2(C)
- Refutation
- K(c);P_SPINB(a),S_FLIGHT,XS(E)
- Try
- Actual
- S(F);
- Threat
- DUALS(2)
- Vars
- B(a);CHECK::QAB(C)+S(E),XB(a)
- K(c);S_FLIGHT::S(E)
- B(d);OGATE,XS(F)::QAR2(C),XB(d)
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).