MESON Chess Problem Database
Problem Display
PID: 21565 (2N3n1/bK1N1B2/1p1Pb3/1RrkB3/1p2p3/p7/P1P5/5Q2 w - - 0 1)
Warton, Thomas Joseph
Morning Post, 1919
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxb5
- 2.Qxb5#
- 1...Bxf7
- 2.Qxf7#
- 1...Bb8
- 2.Scxb6#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...b3
- 2.c4#
- 1...e3
- 2.Qd3#
- 1...Rxb5
- Tries
- 1.Bb2?
- 1...Rxb5
- 2.Qxb5#
- 1...Bxf7
- 2.Qxf7#
- 1...e3
- 2.Qd3#
- 1...Bb8
- 2.Sdxb6#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...b3
- 2.c4#
- 1...axb2!
- 1...Rxb5
- 1.Bxg8?
- threat
- 2.Se7#
- 1...Bf7
- 2.Bxf7#
- 2.Qxf7#
- 1...e3
- 2.Qd3#
- 1...Bxg8!
- threat
- 1.Rxb4?
- threat
- 2.Rd4#
- 2.Qd1#
- 1...Rxc2
- 2.Rd4#
- 1...Bxf7
- 2.Qxf7#
- 1...Rc3
- 2.Rd4#
- 1...Rc4
- 2.Qxc4#
- 1...Rc7+!
- threat
- 1.Qe2?
- 1...Rxb5
- 2.Qxb5#
- 1...e3
- 2.Qd3#
- 1...Sh6
- 2.Se7#
- 1...Bb8
- 2.Scxb6#
- 1...Sf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...b3
- 2.c4#
- 1...Bxf7!
- 1...Rxb5
- 1.Qf5?
- threat
- 2.Bxe6#
- 2.Qxe6#
- 1...Bxf7
- 2.Qxf7#
- 1...e3
- 2.Bxe6#
- 2.Qd3#
- 1...Kc4!
- threat
- 1.c3?
- threat
- 2.c4#
- 1...Bxf7
- 2.Qxf7#
- 1...e3
- 2.Qd3#
- 1...bxc3!
- threat
- 1.Bb2?
- Keys
- 1.Ba1!
- 1...Rxb5
- 2.Qxb5#
- 1...Bxf7
- 2.Qxf7#
- 1...e3
- 2.Qd3#
- 1...Bb8
- 2.Sdxb6#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...b3
- 2.c4#
- 1...Rxb5
- 1.Ba1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);N_SPINR(d),OGATE,XR(D)::QAR2(A),XR(d)
- B(g);N_SPINB(g),OGATE,XB(I)::QAB(A),XB(g)
- B(h);N_GUARD::S(J),XP(f)
- S(i);N_GUARD::S(J)
- S(i);N_GUARD::S(J),XS(i)
- P(b);N_GUARD::P(C)
- P(c);N_GUARD::QAR2(A)
- Tries
- Try
- B(E);
- Vars
- R(d);N_SPINR(d),OGATE,XR(D)::QAR2(A),XR(d)
- B(g);N_SPINB(g),OGATE,XB(I)::QAB(A),XB(g)
- P(c);N_GUARD::QAR2(A)
- B(h);N_GUARD::S(H),XP(f)
- S(i);N_GUARD::S(H),XS(i)
- S(i);N_GUARD::S(H)
- P(b);N_GUARD::P(C)
- Refutation
- P(a);XB(E)
- Try
- B(I);XS(i)
- Threat
- S(J)
- Vars
- P(c);N_GUARD::QAR2(A)
- Refutation
- B(g);N_SPINB(g),XB(I)
- Try
- R(D);N_PINR(d),XP(b)
- Threat
- DUALS(2)
- Vars
- R(d);XP(C)::R1(D)
- B(g);N_SPINB(g),OGATE,XB(I)::QAB(A),XB(g)
- R(d);::R1(D)
- R(d);N_GUARD::QAB1(A),XR(d)
- Refutation
- R(d);CHECK
- Try
- Q(A);
- Vars
- R(d);N_SPINR(d),OGATE,XR(D)::QAR2(A),XR(d)
- P(c);N_GUARD::QAR2(A)
- S(i);N_GUARD::S(J)
- B(h);N_GUARD::S(J),XP(f)
- S(i);N_GUARD::S(J),XS(i)
- P(b);N_GUARD::P(C)
- Refutation
- B(g);N_SPINB(g),XB(I)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(g);N_SPINB(g),OGATE,XB(I)::QAB(A),XB(g)
- Refutation
- K(e);N_SPINR(d),S_FLIGHT
- Try
- P(C);
- Threat
- P(C)
- Vars
- B(g);N_SPINB(g),OGATE,XB(I)::QAB(A),XB(g)
- P(c);N_GUARD::QAR2(A)
- Refutation
- P(b);XP(C)
- Try
- Actual
- B(E);
- Vars
- R(d);N_SPINR(d),OGATE,XR(D)::QAR2(A),XR(d)
- B(g);N_SPINB(g),OGATE,XB(I)::QAB(A),XB(g)
- P(c);N_GUARD::QAR2(A)
- B(h);N_GUARD::S(H),XP(f)
- S(i);N_GUARD::S(H),XS(i)
- S(i);N_GUARD::S(H)
- P(b);N_GUARD::P(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).