MESON Chess Problem Database
Problem Display
PID: 106569 (3RR3/Br1p1p2/1q1Nb2K/N7/1P1kPQp1/n1rp4/1P3n2/1B6 w - - 0 1)
Szoghy, Jozsef
Praca, 1954
#2
11 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Sb3#
- 1...Ba2
- 2.Qxf2#
- 1...Bb3
- 2.Qxf2#
- 1...Bc4
- 2.Qxf2#
- 1...Bd5
- 2.Qxf2#
- 1...Bf5
- 2.Qxf2#
- 1...Sxe4
- 2.Qxe4#
- 1...Sxb1
- 2.Sb5#
- 1...Sc2
- 2.Sb5#
- 1...Sc4
- 2.Sb5#
- 1...Sb5
- 2.Sxb5#
- 1...Rc4
- Tries
- 1.Sb3+?
- 1...Bxb3
- 2.Qxf2#
- 1...Rxb3!
- 1...Bxb3
- 1.Sac4?
- threat
- 2.Qe3#
- 2.Qe5#
- 2.Qxf2#
- 2.Qf6#
- 1...Bxc4
- 2.Qxf2#
- 1...Sxe4
- 2.Qe5#
- 2.Qxe4#
- 1...Sxc4
- 2.Sb5#
- 1...Rc2
- 2.Qe3#
- 2.Qe5#
- 2.Qf6#
- 1...Bf5
- 2.Qe3#
- 2.Qe5#
- 2.Qxf2#
- 1...Sd1
- 2.Qe5#
- 2.Qf6#
- 1...Sh1
- 2.Qe3#
- 2.Qe5#
- 2.Qf6#
- 1...Sh3
- 2.Qe3#
- 2.Qe5#
- 2.Qf6#
- 1...Sc2
- 2.Qe5#
- 2.Qf6#
- 1...d2
- 2.Qe5#
- 2.Qf6#
- 1...g3
- 2.Qe3#
- 2.Qe5#
- 2.Qf6#
- 1...f5
- 2.Qe3#
- 2.Qe5#
- 2.Qxf2#
- 1...f6
- 2.Qe3#
- 2.Qxf2#
- 2.Qxf6#
- 1...Rxc4!
- threat
- 1.Bxb6+?
- 1...Rc5
- 2.Bxc5#
- 1...Rxb6!
- 1...Rc5
- 1.Rxd7?
- threat
- 2.Sb5#
- 2.Sf5#
- 1...Bxd7
- 2.Qxf2#
- 1...Ba2
- 2.Qxf2#
- 1...Bb3
- 2.Qxf2#
- 1...Bc4
- 2.Sc6#
- 2.Qxf2#
- 1...Bd5
- 2.Qxf2#
- 1...Bf5
- 2.Qxf2#
- 1...Sb5
- 2.Sxb5#
- 2.Sf5#
- 1...f5
- 2.Sb5#
- 2.Sxf5#
- 1...Rxd7!
- threat
- 1.Rxe6?
- threat
- 2.Sf5#
- 2.Qxf2#
- 1...Sxe4
- 2.Qxe4#
- 1...dxe6
- 2.Sb5#
- 2.Sf5#
- 2.Sdxb7#
- 1...Rc2
- 2.Sb3#
- 2.Sf5#
- 1...Rc5
- 2.Sb3#
- 2.Qxf2#
- 1...Sd1
- 2.Sf5#
- 1...Sh1
- 2.Sf5#
- 1...Sh3
- 2.Sf5#
- 1...Sc2
- 2.Sb5#
- 2.Sf5#
- 1...Sc4
- 2.Sb5#
- 2.Sf5#
- 1...d2
- 2.Sf5#
- 1...g3
- 2.Sf5#
- 1...f5
- 2.Sxf5#
- 2.Qxf2#
- 1...fxe6!
- threat
- 1.e5+?
- 1...Se4
- 2.Qxe4#
- 1...Kd5!
- 1...Se4
- 1.Sb3+?
- Keys
- 1.Sdc4!
- threat
- 2.Qe3#
- 2.Qe5#
- 1...Bxc4+
- 2.Sc6#
- 1...Bd5+
- 2.Qf6#
- 1...Bf5+
- 2.Qd6#
- 1...Rxc4
- 2.Sb3#
- 1...Sxe4
- 2.Qe5#
- 1...Sxc4
- 2.Sc6#
- 1...Sd1
- 2.Qe5#
- 1...Sc2
- 2.Qe5#
- 1...d2
- 2.Qe5#
- 2.Qf6#
- 1...f6
- 2.Qe3#
- threat
- 1.Sdc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(c);N_GUARD,S_CUTB(h)::S(F)
- B(h);P_PINS(G)::QAB(E),XS(a)
- S(a);OGATE,P_SPINS(a),XP(D)::QAR1(E),XS(a)
- S(b);N_GUARD,XB(A)::S(G)
- S(b);N_GUARD::S(G)
- S(b);N_GUARD::S(G),XS(b)
- Tries
- Try
- S(F);CHECK
- Vars
- B(h);P_PINS(G),XS(F)::QAB(E),XS(a)
- Refutation
- R(c);XS(F)
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- B(h);P_PINS(G),XS(F)::QAB(E),XS(a)
- S(b);N_GUARD,SBLOCK,XS(F)::S(G)
- Refutation
- R(c);XS(F)
- Try
- B(I);CHECK,XQ(g)
- Vars
- R(c);N_GUARD,P_SPINR(c)::B(I),XR(c)
- Refutation
- R(i);XB(I)
- Try
- R(J);XP(j)
- Threat
- DUALS(2)
- Vars
- B(h);P_PINS(G),XR(J)::QAB(E),XS(a)
- B(h);P_PINS(G)::QAB(E),XS(a)
- Refutation
- R(i);XR(J)
- Try
- R(K);XB(h)
- Threat
- DUALS(2)
- Vars
- S(a);OGATE,P_SPINS(a),XP(D)::QAR1(E),XS(a)
- S(a);::S(G)
- P(d);::S(G)
- P(f);::S(G)
- Refutation
- P(k);XR(K)
- Try
- P(D);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAR1(E),XS(a)
- Refutation
- K(e);N_SPINQ(g),P-FLIGHT
- Try
- Actual
- S(G);P_PINP(j)
- Threat
- DUALS(2)
- Vars
- B(h);CHECK,SBLOCK,XS(G)::S(F)
- B(h);CHECK,N_SPINP(j)::QAB(E)
- B(h);CHECK,N_GUARD::QAR2(E)
- R(c);N_GUARD,SBLOCK,XS(G)::S(F)
- S(a);P_SPINS(a),XP(D)::QAB1(E)
- S(b);SBLOCK,XS(G)::S(F)
- S(a);::QAB1(E)
- S(b);::QAB1(E)
- P(k);::QAB1(E)
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).