MESON Chess Problem Database
Problem Display
PID: 262806 (8/4p1n1/b7/3Q2P1/r4kNK/r5Nn/2PP2P1/b7 w - - 0 1)
Szwedowski, Leopold Mieczyslaw
Szachy, 1986
#2
8 + 8
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Qf3#
- 1...Rc3
- 2.Qe5#
- 1...Rd3
- 2.Se2#
- 1...Re3
- 2.dxe3#
- 1...Rf3
- 2.Qxf3#
- 1...Rc4
- 2.Se2#
- 1...Rd4
- 2.Qe5#
- 1...Re4
- 2.Qxe4#
- 1...Ra5
- 2.Qe4#
- 1...Bc3
- 2.Qf3#
- 1...Bd4
- 2.Qe4#
- 1...Be5
- 2.Qxe5#
- 1...Be2
- 2.Sxe2#
- 1...Bd3
- 2.Qf3#
- 1...Bc4
- 2.Qe4#
- 1...Bb7
- 2.Se2#
- 1...Bc8
- 2.Se2#
- 1...Sxg5
- 2.Qxg5#
- 1...Sf5+
- 2.Qxf5#
- 1...Sh5
- 2.Sxh5#
- 2.Qf5#
- 1...Se6
- 2.Sh5#
- 2.Qf5#
- 1...Se8
- 2.Sh5#
- 2.Qf5#
- 1...Ra2
- Tries
- 1.Qf7+?
- 1...Sf5+
- 2.Qxf5#
- 1...Bf6!
- 1...Sf5+
- 1.c4?
- threat
- 2.Se2#
- 2.Qe4#
- 1...Sf5+
- 2.Qxf5#
- 1...Rxc4
- 2.Se2#
- 1...Bxc4
- 2.Qe4#
- 1...Sxg5
- 2.Se2#
- 2.Qxg5#
- 1...Re3
- 2.dxe3#
- 1...Be5
- 2.Qe4#
- 2.Qxe5#
- 1...Bb7
- 2.Se2#
- 1...Sg1
- 2.Qe4#
- 1...Sf2
- 2.Se2#
- 1...e5
- 2.Qe4#
- 1...Rxg3!
- threat
- 1.d3?
- threat
- 2.Se2#
- 2.Qf3#
- 1...Sf5+
- 2.Qxf5#
- 1...Rxd3
- 2.Se2#
- 1...Bxd3
- 2.Qf3#
- 1...Sxg5
- 2.Se2#
- 2.Qxg5#
- 1...Re4
- 2.Qxe4#
- 1...Be5
- 2.Qf3#
- 2.Qxe5#
- 1...Bb7
- 2.Se2#
- 1...e5
- 2.Qf3#
- 1...Sg1!
- threat
- 1.d4?
- threat
- 2.Qe4#
- 2.Qe5#
- 1...Sf5+
- 2.Qxf5#
- 1...Rxg3
- 2.Qe5#
- 1...Rxd4
- 2.Qe5#
- 1...Bxd4
- 2.Qe4#
- 1...Sxg5
- 2.Qe5#
- 2.Qxg5#
- 1...Ra5
- 2.Qe4#
- 1...Bd3
- 2.Qf3#
- 2.Qe5#
- 1...Bb7
- 2.Se2#
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...e5
- 2.Qe4#
- 2.Qxe5#
- 1...Re3!
- threat
- 1.Qf7+?
- Keys
- 1.c3!
- threat
- 2.Qf3#
- 2.Qe5#
- 1...Sf5+
- 2.Qxf5#
- 1...Rxc3
- 2.Qe5#
- 1...Bxc3
- 2.Qf3#
- 1...Sxg5
- 2.Qe5#
- 2.Qxg5#
- 1...Re4
- 2.Qxe4#
- 1...Ra5
- 2.Qf3#
- 2.Qe4#
- 2.Qd4#
- 1...Be2
- 2.Sxe2#
- 2.Qe5#
- 1...Bb7
- 2.Se2#
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...e5
- 2.Qf3#
- 2.Qxe5#
- threat
- 1.c3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 15
- Sets
- R(b);N_GUARD::QAR1(G)
- R(b);S_CUTB(a)::QAB1(G)
- R(b);S_CUTB(f)::S(D)
- R(b);OGATE::P(B),XR(b)
- R(b);N_GUARD::QAR1(G),XR(b)
- R(d);S_CUTB(f)::S(D)
- R(d);S_CUTB(a)::QAB1(G)
- R(d);N_GUARD::QAR1(G),XR(d)
- R(d);N_GUARD::QAR1(G)
- B(a);S_CUTR(b)::QAR1(G)
- B(a);S_CUTR(d)::QAR1(G)
- B(a);N_GUARD::QAB1(G),XB(a)
- B(f);N_GUARD::S(D),XB(f)
- B(f);S_CUTR(b)::QAR1(G)
- B(f);S_CUTR(d)::QAR1(G)
- B(f);N_GUARD::S(D)
- S(c);OGATE,XP(H)::QAB1(G),XS(c)
- S(h);CHECK,N_GUARD::QAR1(G),XS(h)
- Tries
- Try
- Q(G);CHECK
- Vars
- S(h);CHECK,N_GUARD,P_SPINS(h)::QAR1(G),XS(h)
- Refutation
- B(a);P_PINP(H),P_SPINB(a)
- Try
- P(A);
- Threat
- DUALS(2)
- Vars
- S(h);CHECK,N_GUARD::QAR1(G),XS(h)
- R(d);XP(A)::S(D)
- B(f);XP(A)::QAR1(G)
- R(b);OGATE::P(B),XR(b)
- B(f);::S(D)
- S(c);::QAR1(G)
- S(c);::S(D)
- P(g);::QAR1(G)
- Refutation
- R(b);XS(D)
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- S(h);CHECK,N_GUARD::QAR1(G),XS(h)
- R(b);XP(B)::S(D)
- B(f);XP(B)::QAR1(G)
- R(d);N_GUARD::QAR1(G),XR(d)
- B(f);::S(D)
- P(g);::QAR1(G)
- Refutation
- S(c);
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- S(h);CHECK,N_GUARD::QAR1(G),XS(h)
- R(b);XS(D)::QAB1(G)
- R(d);XP(B)::QAB1(G)
- B(a);XP(B)::QAR1(G)
- R(d);::QAR1(G)
- S(c);::QAB1(G)
- Refutation
- R(b);
- Try
- Actual
- P(A);
- Threat
- DUALS(2)
- Vars
- S(h);CHECK,N_GUARD::QAR1(G),XS(h)
- R(b);XP(A)::QAB1(G)
- B(a);XP(A)::QAR1(G)
- R(d);N_GUARD::QAR1(G),XR(d)
- S(c);::QAB1(G)
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).