MESON Chess Problem Database
Problem Display
PID: 274063 (1Q3RNK/3pN3/r3k1P1/2Pp4/8/4P1bb/p3R3/B4r2 w - - 0 1)
Paslack, Rainer
Die Schwalbe, 2023
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxa1
- 2.Rf6#
- 1...Rb1
- 2.Rf6#
- 1...Rc1
- 2.Rf6#
- 1...Rd1
- 2.Rf6#
- 1...Re1
- 2.Rf6#
- 1...Rg1
- 2.Rf6#
- 1...Rh1
- 2.Rf6#
- 1...Rf4
- 2.Qe5#
- 2.exf4#
- 1...Rf6
- 2.Rxf6#
- 1...Be1
- 2.Qe5#
- 1...Bf2
- 2.Rf6#
- 2.Qe5#
- 1...Bf4
- 2.Rf6#
- 2.exf4#
- 1...Bh4
- 2.Qe5#
- 1...Be5+
- 2.Qxe5#
- 1...Bf5
- 2.Rf6#
- 1...d6
- 2.Qc8#
- 1...Rxa1
- Tries
- 1.Sf5?
- threat
- 2.Sd4#
- 2.Sg7#
- 2.Rf6#
- 2.Qe8#
- 1...Be5+
- 2.Qxe5#
- 1...Rxf5
- 2.Re8#
- 2.Qe8#
- 1...Bxb8
- 2.Sg7#
- 2.Rf6#
- 1...Bxf5
- 2.Rf6#
- 2.Re8#
- 2.Qe8#
- 1...d6
- 2.Qc8#
- 2.Qe8#
- 1...Rd1
- 2.Sg7#
- 2.Rf6#
- 2.Qe8#
- 1...Rf4
- 2.Sg7#
- 2.Rf6#
- 2.Qe5#
- 2.Qe8#
- 2.exf4#
- 1...Ra4
- 2.Sg7#
- 2.Rf6#
- 2.Qe8#
- 1...Rd6
- 2.Sg7#
- 2.Rf6#
- 2.Qe8#
- 1...Ra8
- 2.Sd4#
- 2.Sg7#
- 2.Rf6#
- 1...Bh4
- 2.Sd4#
- 2.Sg7#
- 2.Qe5#
- 1...Bd6
- 2.Sg7#
- 2.Rf6#
- 1...Bc7
- 2.Sg7#
- 2.Rf6#
- 2.Qe8#
- 1...d4!
- threat
- 1.Sc6?
- threat
- 2.Sd4#
- 2.Sd8#
- 2.Qe8#
- 1...Be5+
- 2.Qxe5#
- 1...Rxf8
- 2.Sd4#
- 1...Rxc6
- 2.Qe8#
- 1...Bxb8
- 2.Sd8#
- 1...dxc6
- 2.Qc8#
- 2.Qe8#
- 1...Rf6
- 2.Sd4#
- 2.Rxf6#
- 1...Rf7
- 2.Sd4#
- 1...d6
- 2.Qc8#
- 2.Qe8#
- 1...Rd1
- 2.Sd8#
- 2.Rf6#
- 2.Qe8#
- 1...Rf4
- 2.Sd8#
- 2.Qe5#
- 2.Qd6#
- 2.Qe8#
- 2.exf4#
- 1...Ra4
- 2.Sd8#
- 2.Qe8#
- 1...Ra8
- 2.Sd4#
- 2.Sd8#
- 1...Bh4
- 2.Sd4#
- 2.Qe5#
- 2.Qd6#
- 1...Bd6
- 2.Sd8#
- 2.Qxd6#
- 1...Bc7
- 2.Qe8#
- 1...d4!
- threat
- 1.Ref2?
- threat
- 2.R8f6#
- 1...Be5+
- 2.Qxe5#
- 1...d6
- 2.Qc8#
- 1...Bh4
- 2.Qe5#
- 1...Rxf2!
- threat
- 1.Qf4?
- threat
- 2.Rf6#
- 1...Rxf4
- 2.exf4#
- 1...Bh4
- 2.Qe5#
- 1...d6!
- threat
- 1.Sf5?
- Keys
- 1.Rf4!
- threat
- 2.Qe5#
- 1...Rxa1
- 2.Rf6#
- 1...Bxf4
- 2.exf4#
- 1...d6
- 2.Qc8#
- 1...Rd6
- 2.Qxd6#
- 1...d4
- 2.exd4#
- threat
- 1.Rf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 11
- Sets
- R(a);N_GUARD,XB(A)::R1(H)
- R(a);N_GUARD::R1(H)
- R(a);N_GUARD::R1(H),XR(a)
- B(c);N_GUARD::QAR1(G)
- B(c);CHECK,N_GUARD::QAR1(G),XB(c)
- B(d);S_CUTR(a)::R1(H)
- P(h);OGATEB::QAB(G)
- Tries
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- B(c);CHECK,N_GUARD::QAR1(G),XB(c)
- Refutation
- P(e);
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- B(c);CHECK,N_GUARD::QAR1(G),XB(c)
- R(a);P_PINS(I),XR(H)::S(F)
- R(f);XS(F)::QAR2(G)
- B(c);XQ(G)::S(F)
- R(a);::S(F)
- B(c);::QAR2(G)
- Refutation
- P(e);
- Try
- R(B);
- Threat
- R1(H)
- Vars
- B(c);CHECK,N_GUARD::QAR1(G),XB(c)
- P(h);OGATEB::QAB(G)
- B(c);N_GUARD::QAR1(G)
- Refutation
- R(a);XR(B)
- Try
- Q(G);
- Threat
- R1(H)
- Vars
- R(a);OGATE,XQ(G)::R(B)+P(C),XR(a)
- B(c);N_GUARD::QAR1(G)
- Refutation
- P(h);
- Try
- Actual
- R(H);
- Threat
- QAR1(G)
- Vars
- R(a);N_GUARD,XB(A)::R1(H)
- B(c);OGATE,XR(H)::R(B)+P(C),XB(c)
- P(h);OGATEB::QAB(G)
- R(f);N_GUARD::QAR1(G),XR(f)
- P(e);OGATE::R(B)+P(C),XP(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).