MESON Chess Problem Database
Problem Display
PID: 258715 (5RB1/2p5/2Np4/1P4p1/1K2k1r1/1R1p3Q/N2r3n/3n4 w - - 0 1)
Taverner, Thomas
Montreal Weekly Witness, 1903
(First published on Tue Feb 3 1903)
#2
8 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxa2
- 2.Qxd3#
- 1...Rb2
- 2.Qxd3#
- 1...Rc2
- 2.Qxd3#
- 1...Re2
- 2.Qxd3#
- 1...Rf2
- 2.Qxd3#
- 1...Rdg2
- 2.Qxd3#
- 1...Rg1
- 2.Qe6#
- 1...Rgg2
- 2.Qe6#
- 1...Rg3
- 2.Qe6#
- 1...Rf4
- 2.Re8#
- 1...Rh4
- 2.Qe6#
- 1...Sb2
- 2.Sc3#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Se3
- 2.Sc3#
- 1...Sf1
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...d5
- 2.Bh7#
- 1...Rxa2
- Tries
- 1.Ka3?
- threat
- 2.Rb4#
- 1...Rg3
- 2.Qe6#
- 1...Sf3
- 2.Qxf3#
- 1...Rb2
- 2.Qxd3#
- 1...Rc2
- 2.Qxd3#
- 1...Sb2
- 2.Sc3#
- 1...Se3
- 2.Sc3#
- 1...d5
- 2.Bh7#
- 1...Rxa2+!
- threat
- 1.Ka5?
- threat
- 2.Rb4#
- 1...Rg3
- 2.Qe6#
- 1...Sf3
- 2.Qxf3#
- 1...Rb2
- 2.Qxd3#
- 1...Rc2
- 2.Qxd3#
- 1...Sb2
- 2.Sc3#
- 1...Se3
- 2.Sc3#
- 1...d5
- 2.Bh7#
- 1...Rxa2+!
- threat
- 1.Bc4?
- 1...Rxa2
- 2.Qxd3#
- 1...Rg3
- 2.Qe6#
- 1...Sf3
- 2.Qxf3#
- 1...Rb2
- 2.Qxd3#
- 1...Rc2
- 2.Qxd3#
- 1...Re2
- 2.Qxd3#
- 1...Rf2
- 2.Qxd3#
- 1...Rdg2
- 2.Qxd3#
- 1...Rg1
- 2.Qe6#
- 1...Rgg2
- 2.Qe6#
- 1...Rf4
- 2.Re8#
- 1...Rh4
- 2.Qe6#
- 1...Sb2
- 2.Sc3#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Se3
- 2.Sc3#
- 1...Sf1
- 2.Qf3#
- 1...d5!
- 1...Rxa2
- 1.Ra3?
- 1...Rxa2
- 2.Qxd3#
- 1...Rg3
- 2.Qe6#
- 1...Sf3
- 2.Qxf3#
- 1...Rc2
- 2.Qxd3#
- 1...Re2
- 2.Qxd3#
- 1...Rf2
- 2.Qxd3#
- 1...Rdg2
- 2.Qxd3#
- 1...Rg1
- 2.Qe6#
- 1...Rgg2
- 2.Qe6#
- 1...Rf4
- 2.Re8#
- 1...Rh4
- 2.Qe6#
- 1...Sb2
- 2.Sc3#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Se3
- 2.Sc3#
- 1...Sf1
- 2.Qf3#
- 1...d5
- 2.Bh7#
- 1...Rb2+!
- 1...Rxa2
- 1.Rf6?
- 1...Rxa2
- 2.Qxd3#
- 1...Rg3
- 2.Qe6#
- 1...Sf3
- 2.Qxf3#
- 1...Sb2
- 2.Sc3#
- 1...Rb2
- 2.Qxd3#
- 1...Rc2
- 2.Qxd3#
- 1...Re2
- 2.Qxd3#
- 1...Rf2
- 2.Qxd3#
- 1...Rdg2
- 2.Qxd3#
- 1...Rg1
- 2.Qe6#
- 1...Rgg2
- 2.Qe6#
- 1...Rh4
- 2.Qe6#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Se3
- 2.Sc3#
- 1...Sf1
- 2.Qf3#
- 1...d5
- 2.Bh7#
- 1...Rf4!
- 1...Rxa2
- 1.Qxg4+?
- 1...Ke3
- 2.Qe6#
- 1...Sxg4!
- 1...Ke3
- 1.Qe3+?
- 1...Sxe3
- 2.Sc3#
- 1...Kxe3+!
- 1...Sxe3
- 1.b6?
- 1...Rxa2
- 2.Qxd3#
- 1...Rg3
- 2.Qe6#
- 1...Sf3
- 2.Qxf3#
- 1...Sb2
- 2.Sc3#
- 1...Rb2
- 2.Qxd3#
- 1...Rc2
- 2.Qxd3#
- 1...Re2
- 2.Qxd3#
- 1...Rf2
- 2.Qxd3#
- 1...Rdg2
- 2.Qxd3#
- 1...Rg1
- 2.Qe6#
- 1...Rgg2
- 2.Qe6#
- 1...Rf4
- 2.Re8#
- 1...Rh4
- 2.Qe6#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Se3
- 2.Sc3#
- 1...Sf1
- 2.Qf3#
- 1...d5
- 2.Bh7#
- 1...cxb6!
- 1...Rxa2
- 1.Ka3?
- Keys
- 1.Rf7!
- 1...Kd5+
- 2.Rf4#
- 1...Rxa2
- 2.Qxd3#
- 1...Rg3
- 2.Qe6#
- 1...Sf3
- 2.Qxf3#
- 1...Sb2
- 2.Sc3#
- 1...Rb2
- 2.Qxd3#
- 1...Rc2
- 2.Qxd3#
- 1...Re2
- 2.Qxd3#
- 1...Rf2
- 2.Qxd3#
- 1...Rdg2
- 2.Qxd3#
- 1...Rg1
- 2.Qe6#
- 1...Rgg2
- 2.Qe6#
- 1...Rf4
- 2.Re7#
- 1...Rh4
- 2.Qe6#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Se3
- 2.Sc3#
- 1...Sf1
- 2.Qf3#
- 1...d5
- 2.Bh7#
- 1...Kd5+
- 1.Rf7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD,XS(A)::QAB1(C),XP(d)
- R(b);N_GUARD,P_PINR(B)::QAB1(C),XP(d)
- R(b);N_GUARD::QAB1(C),XP(d)
- R(f);OGATE::QAR2(C)
- R(f);SBLOCK::R(G)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(c);N_GUARD::QAB1(C)
- S(c);N_GUARD::QAB1(C),XS(c)
- P(h);SBLOCK::B(H)
- Tries
- Try
- K(D);S_FLIGHT
- Threat
- R(B)
- Vars
- R(f);OGATE::QAR2(C)
- S(c);N_GUARD::QAB1(C),XS(c)
- R(b);N_GUARD::QAB1(C),XP(d)
- S(a);N_GUARD::S(A)
- P(h);SBLOCK::B(H)
- Refutation
- R(b);CHECK,XS(A)
- Try
- K(D);S_FLIGHT
- Threat
- R(B)
- Vars
- R(f);OGATE::QAR2(C)
- S(c);N_GUARD::QAB1(C),XS(c)
- R(b);N_GUARD::QAB1(C),XP(d)
- S(a);N_GUARD::S(A)
- P(h);SBLOCK::B(H)
- Refutation
- R(b);CHECK,XS(A)
- Try
- B(H);
- Vars
- R(b);N_GUARD,XS(A)::QAB1(C),XP(d)
- R(f);OGATE::QAR2(C)
- S(c);N_GUARD::QAB1(C),XS(c)
- R(b);N_GUARD,P_PINR(B)::QAB1(C),XP(d)
- R(b);N_GUARD::QAB1(C),XP(d)
- R(f);SBLOCK::R(G)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(c);N_GUARD::QAB1(C)
- Refutation
- P(h);
- Try
- R(B);
- Vars
- R(b);N_GUARD,XS(A)::QAB1(C),XP(d)
- R(f);OGATE::QAR2(C)
- S(c);N_GUARD::QAB1(C),XS(c)
- R(b);N_GUARD::QAB1(C),XP(d)
- R(f);SBLOCK::R(G)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(c);N_GUARD::QAB1(C)
- P(h);SBLOCK::B(H)
- Refutation
- R(b);CHECK
- Try
- R(G);
- Vars
- R(b);N_GUARD,XS(A)::QAB1(C),XP(d)
- R(f);OGATE::QAR2(C)
- S(c);N_GUARD::QAB1(C),XS(c)
- S(a);N_GUARD::S(A)
- R(b);N_GUARD,P_PINR(B)::QAB1(C),XP(d)
- R(b);N_GUARD::QAB1(C),XP(d)
- S(a);N_GUARD::S(A),XS(a)
- S(c);N_GUARD::QAB1(C)
- P(h);SBLOCK::B(H)
- Refutation
- R(f);
- Try
- Q(C);CHECK,XR(f)
- Vars
- K(e);P-FLIGHT,P_SPINP(d)::QAR(C)
- Refutation
- S(c);XQ(C)
- Try
- Q(C);CHECK
- Vars
- S(a);SBLOCK,XQ(C)::S(A)
- Refutation
- K(e);CHECK,P-FLIGHT,P_SPINP(d),XQ(C)
- Try
- P(E);
- Vars
- R(b);N_GUARD,XS(A)::QAB1(C),XP(d)
- R(f);OGATE::QAR2(C)
- S(c);N_GUARD::QAB1(C),XS(c)
- S(a);N_GUARD::S(A)
- R(b);N_GUARD,P_PINR(B)::QAB1(C),XP(d)
- R(b);N_GUARD::QAB1(C),XP(d)
- R(f);SBLOCK::R(G)
- S(a);N_GUARD::S(A),XS(a)
- S(c);N_GUARD::QAB1(C)
- P(h);SBLOCK::B(H)
- Refutation
- P(i);XP(E)
- Try
- Actual
- R(G);
- Vars
- K(e);CHECK,N_GUARD,S_CUTP(g),S_CUTR(f),S_FLIGHT::B(H)+R(G)
- R(b);N_GUARD,XS(A)::QAB1(C),XP(d)
- R(f);OGATE::QAR2(C)
- S(c);N_GUARD::QAB1(C),XS(c)
- S(a);N_GUARD::S(A)
- R(b);N_GUARD,P_PINR(B)::QAB1(C),XP(d)
- R(b);N_GUARD::QAB1(C),XP(d)
- R(f);SBLOCK::R(G)
- S(a);N_GUARD::S(A),XS(a)
- S(c);N_GUARD::QAB1(C)
- P(h);SBLOCK::B(H)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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