MESON Chess Problem Database
Problem Display
PID: 21756 (K7/2N2N1p/5n1B/2n5/2Qbkp1p/R5pB/2PPp1R1/4r3 w - - 0 1)
Warton, Joseph John
Warton, Thomas Joseph
Chess Amateur (The), 1921
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rxe2#
- 1...Rb1
- 2.Rxe2#
- 1...Rc1
- 2.Rxe2#
- 1...Rd1
- 2.Rxe2#
- 1...Rf1
- 2.Rxe2#
- 1...Rg1
- 2.Rxe2#
- 1...Rh1
- 2.Rxe2#
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sa4
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Se6
- 2.Qd3#
- 1...Sb7
- 2.Qd3#
- 1...Scd7
- 2.Qd3#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sfd7
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...f3
- 2.Re3#
- 1...Ra1
- Tries
- 1.Bg4?
- 1...Sxg4
- 2.Qd5#
- 1...Ra1
- 2.Rxe2#
- 1...Rb1
- 2.Rxe2#
- 1...Rc1
- 2.Rxe2#
- 1...Rd1
- 2.Rxe2#
- 1...Rf1
- 2.Rxe2#
- 1...Rg1
- 2.Rxe2#
- 1...Rh1
- 2.Rxe2#
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 2.cxd3#
- 1...Sa4
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Se6
- 2.Qd3#
- 1...Sb7
- 2.Qd3#
- 1...Scd7
- 2.Qd3#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sfd7
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...f3
- 2.Re3#
- 1...h3!
- 1...Sxg4
- 1.Be6?
- 1...Sxe6
- 2.Qd3#
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Ra1
- 2.Rxe2#
- 1...Rb1
- 2.Rxe2#
- 1...Rc1
- 2.Rxe2#
- 1...Rd1
- 2.Rxe2#
- 1...Rf1
- 2.Rxe2#
- 1...Rg1
- 2.Rxe2#
- 1...Rh1
- 2.Rxe2#
- 1...Sa4
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sb7
- 2.Qd3#
- 1...Scd7
- 2.Qd3#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sfd7
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...f3
- 2.Re3#
- 1...h3!
- 1...Sxe6
- 1.Bd7?
- 1...Scxd7
- 2.Qd3#
- 1...Sfxd7
- 2.Qd5#
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Se6
- 2.Qd3#
- 1...Ra1
- 2.Rxe2#
- 1...Rb1
- 2.Rxe2#
- 1...Rc1
- 2.Rxe2#
- 1...Rd1
- 2.Rxe2#
- 1...Rf1
- 2.Rxe2#
- 1...Rg1
- 2.Rxe2#
- 1...Rh1
- 2.Rxe2#
- 1...Sa4
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sb7
- 2.Qd3#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...f3
- 2.Re3#
- 1...h3!
- 1...Scxd7
- 1.Bc8?
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Se6
- 2.Qd3#
- 1...Scd7
- 2.Qd3#
- 1...Sfd7
- 2.Qd5#
- 1...Ra1
- 2.Rxe2#
- 1...Rb1
- 2.Rxe2#
- 1...Rc1
- 2.Rxe2#
- 1...Rd1
- 2.Rxe2#
- 1...Rf1
- 2.Rxe2#
- 1...Rg1
- 2.Rxe2#
- 1...Rh1
- 2.Rxe2#
- 1...Sa4
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sb7
- 2.Qd3#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...f3
- 2.Re3#
- 1...h3!
- 1...Sb3
- 1.Rf2?
- threat
- 2.Rxf4#
- 1...Rf1
- 2.Rxe2#
- 1...Sd3
- 2.Qxd3#
- 2.cxd3#
- 1...Se6
- 2.Qd3#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...f3
- 2.Re3#
- 1...gxf2!
- threat
- 1.Rb3?
- 1...Sxb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sg4
- 2.Qd5#
- 1...Rb1
- 2.Rxe2#
- 1...Rc1
- 2.Rxe2#
- 1...Rd1
- 2.Rxe2#
- 1...Rf1
- 2.Rxe2#
- 1...Rg1
- 2.Rxe2#
- 1...Rh1
- 2.Rxe2#
- 1...Sa4
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Se6
- 2.Qd3#
- 1...Sb7
- 2.Qd3#
- 1...Scd7
- 2.Qd3#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sfd7
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...f3
- 2.Re3#
- 1...Ra1+!
- 1...Sxb3
- 1.Rc3?
- 1...Sd3
- 2.Qxd3#
- 1...Sg4
- 2.Qd5#
- 1...Rb1
- 2.Rxe2#
- 1...Rc1
- 2.Rxe2#
- 1...Rd1
- 2.Rxe2#
- 1...Rf1
- 2.Rxe2#
- 1...Rg1
- 2.Rxe2#
- 1...Rh1
- 2.Rxe2#
- 1...Sb3
- 2.Qd3#
- 1...Sa4
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Se6
- 2.Qd3#
- 1...Sb7
- 2.Qd3#
- 1...Scd7
- 2.Qd3#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sfd7
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...f3
- 2.Re3#
- 1...Ra1+!
- 1...Sd3
- 1.Qe6+?
- 1...Be5
- 2.Qxe5#
- 1...Sxe6!
- 1...Be5
- 1.Qxc5?
- threat
- 2.Sg5#
- 2.Sd6#
- 2.Bf5#
- 2.Qf5#
- 1...Bc3
- 2.Sg5#
- 1...Be3
- 2.Sg5#
- 1...Ba1
- 2.Sg5#
- 2.Sd6#
- 2.Bf5#
- 1...Bg1
- 2.Sg5#
- 2.Sd6#
- 2.Bf5#
- 2.Qe5#
- 1...Bb2
- 2.Sg5#
- 2.Sd6#
- 2.Bf5#
- 1...Bf2
- 2.Sg5#
- 2.Sd6#
- 2.Bf5#
- 2.Qe5#
- 1...Be5
- 2.Sg5#
- 2.Qxe5#
- 1...Sg4
- 2.Sg5#
- 2.Sd6#
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Se8
- 2.Sg5#
- 2.Bf5#
- 2.Qd5#
- 2.Qf5#
- 2.Qc6#
- 1...f3
- 2.Sd6#
- 2.Bf5#
- 2.Qf5#
- 2.d3#
- 1...Bxc5!
- threat
- 1.Bg4?
- Keys
- 1.Ra4!
- 1...Kf3
- 2.Sg5#
- 1...Sxa4
- 2.Qd3#
- 1...Sg4
- 2.Qd5#
- 1...Ra1
- 2.Qxe2#
- 1...Rb1
- 2.Qxe2#
- 1...Rc1
- 2.Qxe2#
- 1...Rd1
- 2.Qxe2#
- 1...Rf1
- 2.Qxe2#
- 1...Rg1
- 2.Qxe2#
- 1...Rh1
- 2.Qxe2#
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sa6
- 2.Qd3#
- 1...Se6
- 2.Qd3#
- 1...Sb7
- 2.Qd3#
- 1...Scd7
- 2.Qd3#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sfd7
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...f3
- 2.Qxd4#
- 1...Kf3
- 1.Ra4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD,P_PINR(D)::R(C),XP(b)
- R(a);N_GUARD::R(C),XP(b)
- S(h);N_GUARD::QAB1(F)
- S(h);N_GUARD::QAB1(F),XS(h)
- S(i);N_GUARD::QAB1(F)
- S(i);N_GUARD::QAB1(F),XS(i)
- P(f);N_GUARD::R1(D)
- Tries
- Try
- B(E);
- Vars
- S(i);N_GUARD,XB(E)::QAB1(F)
- R(a);N_GUARD,P_PINR(D)::R(C),XP(b)
- R(a);N_GUARD::R(C),XP(b)
- S(h);N_GUARD::QAB1(F)
- S(i);N_GUARD::QAB1(F),XS(i)
- S(i);N_GUARD::QAB1(F)
- P(f);N_GUARD::R1(D)
- Refutation
- P(g);
- Try
- B(E);
- Vars
- S(h);N_GUARD,XB(E)::QAB1(F)
- S(h);N_GUARD::QAB1(F)
- S(h);N_GUARD::QAB1(F),XS(h)
- R(a);N_GUARD,P_PINR(D)::R(C),XP(b)
- R(a);N_GUARD::R(C),XP(b)
- S(i);N_GUARD::QAB1(F)
- S(i);N_GUARD::QAB1(F),XS(i)
- P(f);N_GUARD::R1(D)
- Refutation
- P(g);
- Try
- B(E);
- Vars
- S(h);N_GUARD,XB(E)::QAB1(F)
- S(i);N_GUARD,XB(E)::QAB1(F)
- S(h);N_GUARD::QAB1(F)
- S(h);N_GUARD::QAB1(F),XS(h)
- R(a);N_GUARD,P_PINR(D)::R(C),XP(b)
- R(a);N_GUARD::R(C),XP(b)
- S(i);N_GUARD::QAB1(F)
- S(i);N_GUARD::QAB1(F),XS(i)
- P(f);N_GUARD::R1(D)
- Refutation
- P(g);
- Try
- B(E);
- Vars
- S(h);N_GUARD::QAB1(F)
- S(h);N_GUARD::QAB1(F),XS(h)
- S(i);N_GUARD::QAB1(F)
- R(a);N_GUARD,P_PINR(D)::R(C),XP(b)
- R(a);N_GUARD::R(C),XP(b)
- S(i);N_GUARD::QAB1(F),XS(i)
- P(f);N_GUARD::R1(D)
- Refutation
- P(g);
- Try
- R(C);
- Threat
- R1(C),XP(f)
- Vars
- R(a);N_GUARD::R(C),XP(b)
- S(h);N_GUARD::QAB1(F)
- S(i);N_GUARD::QAB1(F),XS(i)
- S(i);N_GUARD::QAB1(F)
- P(f);N_GUARD::R1(D)
- Refutation
- P(c);XR(C)
- Try
- R(D);
- Vars
- S(h);N_GUARD,XR(D)::QAB1(F)
- S(h);N_GUARD::QAB1(F),XS(h)
- S(i);N_GUARD::QAB1(F)
- R(a);N_GUARD::R(C),XP(b)
- S(h);N_GUARD::QAB1(F)
- S(i);N_GUARD::QAB1(F),XS(i)
- P(f);N_GUARD::R1(D)
- Refutation
- R(a);CHECK
- Try
- R(D);
- Vars
- S(h);N_GUARD::QAB1(F),XS(h)
- S(i);N_GUARD::QAB1(F)
- R(a);N_GUARD::R(C),XP(b)
- S(h);N_GUARD::QAB1(F)
- S(i);N_GUARD::QAB1(F),XS(i)
- P(f);N_GUARD::R1(D)
- Refutation
- R(a);CHECK
- Try
- Q(F);CHECK,N_PINB(d)
- Vars
- B(d);N_GUARD,P_SPINB(d)::QAR1(F),XB(d)
- Refutation
- S(h);XQ(F)
- Try
- Q(F);N_PINB(d),XS(h)
- Threat
- DUALS(4)
- Vars
- B(d);::S(I)
- S(i);N_GUARD::QAB1(F),XS(i)
- Refutation
- B(d);XQ(F)
- Try
- Actual
- R(D);
- Vars
- K(e);N_SPINB(d),S_FLIGHT::S(I)
- S(h);N_GUARD,XR(D)::QAB1(F)
- S(i);N_GUARD::QAB1(F)
- R(a);N_GUARD,P_PINR(D)::QAR2(F),XP(b)
- R(a);N_GUARD::QAR2(F),XP(b)
- S(h);N_GUARD::QAB1(F)
- S(h);N_GUARD::QAB1(F),XS(h)
- S(i);N_GUARD::QAB1(F),XS(i)
- P(f);SBLOCK::QAR1(F),XB(d)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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