MESON Chess Problem Database
Problem Display
PID: 101580 (3nN3/pr1P3Q/N1P1kB2/Kp1p4/nP3p2/1pR4b/1P6/3B4 w - - 0 1)
Simay-Molnar, Aladar
Good Companions, 1922
#2
11 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb6
- 2.Sac7#
- 1...Rc7
- 2.Saxc7#
- 1...Rxd7
- 2.Qxd7#
- 1...Rb8
- 2.Sac7#
- 1...Bf1
- 2.Bg4#
- 1...Bg2
- 2.Bg4#
- 1...Bg4
- 2.Bxg4#
- 1...Bf5
- 2.Qe7#
- 1...Sxb2
- 2.Sc5#
- 1...Sxc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sxc6+
- 2.Rxc6#
- 1...Sf7
- 2.Qxh3#
- 1...f3
- 2.Re3#
- 1...d4
- 2.Bxb3#
- 1...Rb6
- Tries
- 1.Bc2?
- threat
- 2.Qe7#
- 1...Sxc6+
- 2.Rxc6#
- 1...Rxd7
- 2.Qxd7#
- 1...d4
- 2.Bxb3#
- 1...Sf7
- 2.Qxh3#
- 1...bxc2!
- threat
- 1.Be2?
- 1...Sxc6+
- 2.Rxc6#
- 1...Rxd7
- 2.Qxd7#
- 1...Sxb2
- 2.Sc5#
- 1...Sxc3
- 2.Sc5#
- 1...Rb6
- 2.Sac7#
- 1...Rc7
- 2.Saxc7#
- 1...Rb8
- 2.Sac7#
- 1...Bf1
- 2.Bg4#
- 1...Bg2
- 2.Bg4#
- 1...Bg4
- 2.Bxg4#
- 1...Bf5
- 2.Qe7#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf7
- 2.Qxh3#
- 1...f3
- 2.Re3#
- 1...d4!
- 1...Sxc6+
- 1.Bf3?
- 1...Sxc6+
- 2.Rxc6#
- 1...Rxd7
- 2.Qxd7#
- 1...Sxb2
- 2.Sc5#
- 1...Sxc3
- 2.Sc5#
- 1...Rb6
- 2.Sac7#
- 1...Rc7
- 2.Saxc7#
- 1...Rb8
- 2.Sac7#
- 1...Bf1
- 2.Bg4#
- 1...Bg2
- 2.Bg4#
- 1...Bg4
- 2.Bxg4#
- 1...Bf5
- 2.Qe7#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf7
- 2.Qxh3#
- 1...d4!
- 1...Sxc6+
- 1.Rc1?
- 1...Sxc6+
- 2.Rxc6#
- 1...Rxd7
- 2.Qxd7#
- 1...Sxb2
- 2.Sc5#
- 1...d4
- 2.Bxb3#
- 1...Bf5
- 2.Qe7#
- 1...Rb6
- 2.Sac7#
- 1...Rc7
- 2.Saxc7#
- 1...Rb8
- 2.Sac7#
- 1...Bf1
- 2.Bg4#
- 1...Bg2
- 2.Bg4#
- 1...Bg4
- 2.Bxg4#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf7
- 2.Qxh3#
- 1...f3!
- 1...Sxc6+
- 1.Rd3?
- 1...Rxd7
- 2.Qxd7#
- 1...Sxb2
- 2.Sc5#
- 1...d4
- 2.Bxb3#
- 1...Bf5
- 2.Qe7#
- 1...Rb6
- 2.Sac7#
- 1...Rc7
- 2.Saxc7#
- 1...Rb8
- 2.Sac7#
- 1...Bf1
- 2.Bg4#
- 1...Bg2
- 2.Bg4#
- 1...Bg4
- 2.Bxg4#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf7
- 2.Qxh3#
- 1...f3
- 2.Re3#
- 1...Sxc6+!
- 1...Rxd7
- 1.cxb7?
- threat
- 2.Sac7#
- 1...Sc6+
- 2.Rxc6#
- 1...Sf7
- 2.Qxh3#
- 1...Sxb7+!
- threat
- 1.c7?
- threat
- 2.cxd8S#
- 1...Sc6+
- 2.Rxc6#
- 1...Rxc7
- 2.Saxc7#
- 1...Sf7
- 2.Qxh3#
- 1...d4
- 2.Bxb3#
- 1...Rb8!
- threat
- 1.Bc2?
- Keys
- 1.Bh5!
- 1...Sxc6+
- 2.Rxc6#
- 1...Rxd7
- 2.Qxd7#
- 1...Sxb2
- 2.Sc5#
- 1...Sxc3
- 2.Sc5#
- 1...d4
- 2.Qe4#
- 1...Rb6
- 2.Sac7#
- 1...Rc7
- 2.Saxc7#
- 1...Rb8
- 2.Sac7#
- 1...Bf1
- 2.Bg4#
- 1...Bg2
- 2.Bg4#
- 1...Bg4
- 2.Bxg4#
- 1...Bf5
- 2.Qe7#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf7
- 2.Bxf7#
- 1...f3
- 2.Re3#
- 1...Sxc6+
- 1.Bh5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(i);N_GUARD::S(F)
- R(i);N_GUARD::S(F),XR(i)
- R(i);OGATE,XP(I)::QAB1(J),XR(i)
- B(b);N_GUARD::B(A)
- B(b);N_GUARD::B(A),XB(b)
- B(b);SBLOCK::QAR1(J)
- S(c);N_GUARD,XP(B)::S(F)
- S(c);N_GUARD,XR(C)::S(F)
- S(c);N_GUARD::S(F),XS(c)
- S(c);N_GUARD::S(F)
- S(j);CHECK,OGATE,XP(G)::R(C),XS(j)
- S(j);SBLOCK::QAB(J),XB(b)
- P(d);N_GUARD::R(C)
- P(f);OGATEB::B(A),XP(a)
- Tries
- Try
- B(A);
- Threat
- QAR1(J)
- Vars
- S(j);CHECK,OGATE,XP(G)::R(C),XS(j)
- R(i);OGATE,XP(I)::QAB1(J),XR(i)
- P(f);OGATEB::B(A),XP(a)
- S(j);SBLOCK::QAB(J),XB(b)
- Refutation
- P(a);XB(A)
- Try
- B(A);
- Vars
- S(j);CHECK,OGATE,XP(G)::R(C),XS(j)
- R(i);OGATE,XP(I)::QAB1(J),XR(i)
- S(c);N_GUARD,XP(B)::S(F)
- S(c);N_GUARD,XR(C)::S(F)
- R(i);N_GUARD::S(F)
- R(i);N_GUARD::S(F),XR(i)
- B(b);N_GUARD::B(A)
- B(b);N_GUARD::B(A),XB(b)
- B(b);SBLOCK::QAR1(J)
- S(c);N_GUARD::S(F),XS(c)
- S(c);N_GUARD::S(F)
- S(j);SBLOCK::QAB(J),XB(b)
- P(d);N_GUARD::R(C)
- Refutation
- P(f);
- Try
- B(A);
- Vars
- S(j);CHECK,OGATE,XP(G)::R(C),XS(j)
- R(i);OGATE,XP(I)::QAB1(J),XR(i)
- S(c);N_GUARD,XP(B)::S(F)
- S(c);N_GUARD,XR(C)::S(F)
- R(i);N_GUARD::S(F)
- R(i);N_GUARD::S(F),XR(i)
- B(b);N_GUARD::B(A)
- B(b);N_GUARD::B(A),XB(b)
- B(b);SBLOCK::QAR1(J)
- S(c);N_GUARD::S(F),XS(c)
- S(c);N_GUARD::S(F)
- S(j);SBLOCK::QAB(J),XB(b)
- Refutation
- P(f);
- Try
- R(C);
- Vars
- S(j);CHECK,OGATE,XP(G)::R(C),XS(j)
- R(i);OGATE,XP(I)::QAB1(J),XR(i)
- S(c);N_GUARD,XP(B)::S(F)
- P(f);OGATEB::B(A),XP(a)
- B(b);SBLOCK::QAR1(J)
- R(i);N_GUARD::S(F)
- R(i);N_GUARD::S(F),XR(i)
- B(b);N_GUARD::B(A)
- B(b);N_GUARD::B(A),XB(b)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- S(j);SBLOCK::QAB(J),XB(b)
- Refutation
- P(d);
- Try
- R(C);
- Vars
- R(i);OGATE,XP(I)::QAB1(J),XR(i)
- S(c);N_GUARD,XP(B)::S(F)
- P(f);OGATEB::B(A),XP(a)
- B(b);SBLOCK::QAR1(J)
- R(i);N_GUARD::S(F)
- R(i);N_GUARD::S(F),XR(i)
- B(b);N_GUARD::B(A)
- B(b);N_GUARD::B(A),XB(b)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- S(j);SBLOCK::QAB(J),XB(b)
- P(d);N_GUARD::R(C)
- Refutation
- S(j);CHECK,XP(G)
- Try
- P(G);XR(i)
- Threat
- S(F)
- Vars
- S(j);CHECK,N_GUARD::R(C),XS(j)
- S(j);SBLOCK::QAB(J),XB(b)
- Refutation
- S(j);CHECK,XP(G)
- Try
- P(G);
- Threat
- PXS(j)=S
- Vars
- S(j);CHECK,N_GUARD::R(C),XS(j)
- R(i);XP(G)::S(F),XR(i)
- S(j);SBLOCK::QAB(J),XB(b)
- P(f);OGATEB::B(A),XP(a)
- Refutation
- R(i);
- Try
- Actual
- B(A);
- Vars
- S(j);CHECK,OGATE,XP(G)::R(C),XS(j)
- R(i);OGATE,XP(I)::QAB1(J),XR(i)
- S(c);N_GUARD,XP(B)::S(F)
- S(c);N_GUARD,XR(C)::S(F)
- P(f);N_GUARD::QAR2(J)
- R(i);N_GUARD::S(F)
- R(i);N_GUARD::S(F),XR(i)
- B(b);N_GUARD::B(A)
- B(b);N_GUARD::B(A),XB(b)
- B(b);SBLOCK::QAR1(J)
- S(c);N_GUARD::S(F),XS(c)
- S(c);N_GUARD::S(F)
- S(j);N_GUARD::B(A),XS(j)
- P(d);N_GUARD::R(C)
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).