MESON Chess Problem Database
Problem Display
PID: 5999 (2N5/p3n3/p3Q1p1/Pb2b1R1/1Rpk2n1/1p3Bp1/1P1P2P1/4N1K1 w - - 0 1)
Warton, Edwin
Chess Amateur (The), 1926
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Kc5
- 2.Qd6#
- 1...Ba4
- 2.Rxc4#
- 2.Qxc4#
- 1...Bc6
- 2.Rxc4#
- 2.Qxc4#
- 1...Bd7
- 2.Rxc4#
- 2.Qxc4#
- 1...Be8
- 2.Rxc4#
- 2.Qxc4#
- 1...Bf4
- 2.Qe4#
- 1...Bd6
- 2.Qe4#
- 1...Bf6
- 2.Qxg4#
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bg7
- 2.Qxg4#
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 1...Bh8
- 2.Qxg4#
- 2.Qe4#
- 1...Sf2
- 2.Qxe5#
- 1...Sh2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sxc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kc5
- Tries
- 1.Kh1?
- 1...Kc5
- 2.Qd6#
- 1...Sxc8
- 2.Qd5#
- 1...Ba4
- 2.Rxc4#
- 2.Qxc4#
- 1...Bc6
- 2.Rxc4#
- 2.Qxc4#
- 1...Bd7
- 2.Rxc4#
- 2.Qxc4#
- 1...Be8
- 2.Rxc4#
- 2.Qxc4#
- 1...Bf4
- 2.Qe4#
- 1...Bd6
- 2.Qe4#
- 1...Bf6
- 2.Qxg4#
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bg7
- 2.Qxg4#
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 1...Bh8
- 2.Qxg4#
- 2.Qe4#
- 1...Sh2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Sf2+!
- 1...Kc5
- 1.Sb6?
- 1...axb6
- 2.Qxb6#
- 1...Ba4
- 2.Rxc4#
- 2.Qxc4#
- 1...Bc6
- 2.Rxc4#
- 2.Qxc4#
- 1...Bd7
- 2.Rxc4#
- 2.Qxc4#
- 1...Be8
- 2.Rxc4#
- 2.Qxc4#
- 1...Bf4
- 2.Qe4#
- 1...Bd6
- 2.Qe4#
- 1...Bf6
- 2.Qxg4#
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bg7
- 2.Qxg4#
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 1...Bh8
- 2.Qxg4#
- 2.Qe4#
- 1...Sf2
- 2.Qxe5#
- 1...Sh2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kc5!
- 1...axb6
- 1.Sd6?
- 1...Bxd6
- 2.Qe4#
- 1...Ba4
- 2.Rxc4#
- 2.Qxc4#
- 1...Bc6
- 2.Rxc4#
- 2.Qxc4#
- 1...Bd7
- 2.Rxc4#
- 2.Qxc4#
- 1...Be8
- 2.Rxc4#
- 2.Qxc4#
- 1...Bf4
- 2.Qe4#
- 1...Bf6
- 2.Qxg4#
- 2.Qe4#
- 1...Bg7
- 2.Qxg4#
- 2.Qe4#
- 1...Bh8
- 2.Qxg4#
- 2.Qe4#
- 1...Sf2
- 2.Qxe5#
- 1...Sh2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kc5!
- 1...Bxd6
- 1.Sxa7?
- threat
- 2.Qb6#
- 1...Bc6
- 2.Rxc4#
- 2.Qxc4#
- 1...Bd6
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Sd5
- 2.Qxd5#
- 1...Sc6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Kc5!
- threat
- 1.Sxe7?
- threat
- 2.Qd5#
- 1...Bc6
- 2.Rxc4#
- 2.Qxc4#
- 1...Se3
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Kc5!
- threat
- 1.Bc6?
- 1...Kc5
- 2.Qd6#
- 1...Bxc6
- 2.Rxc4#
- 2.Qxc4#
- 1...Sxc8
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Bf4
- 2.Qe4#
- 1...Ba4
- 2.Rxc4#
- 2.Qxc4#
- 1...Bd6
- 2.Qe4#
- 1...Bf6
- 2.Qxg4#
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bg7
- 2.Qxg4#
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 1...Bh8
- 2.Qxg4#
- 2.Qe4#
- 1...Sf2
- 2.Qxe5#
- 1...Sh2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sf5
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Sxc6!
- 1...Kc5
- 1.Bb7?
- 1...Kc5
- 2.Qd6#
- 1...Sxc8
- 2.Qd5#
- 1...Bc6
- 2.Rxc4#
- 2.Qxc4#
- 1...Sd5
- 2.Qxd5#
- 1...Bf4
- 2.Qe4#
- 1...Ba4
- 2.Rxc4#
- 2.Qxc4#
- 1...Bd7
- 2.Rxc4#
- 2.Qxc4#
- 1...Be8
- 2.Rxc4#
- 2.Qxc4#
- 1...Bd6
- 2.Qe4#
- 1...Bf6
- 2.Qxg4#
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bg7
- 2.Qxg4#
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 1...Bh8
- 2.Qxg4#
- 2.Qe4#
- 1...Sf2
- 2.Qxe5#
- 1...Sh2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sf5
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Sc6!
- 1...Kc5
- 1.Ba8?
- 1...Kc5
- 2.Qd6#
- 1...Sxc8
- 2.Qd5#
- 1...Bc6
- 2.Rxc4#
- 2.Qxc4#
- 1...Sd5
- 2.Qxd5#
- 1...Bf4
- 2.Qe4#
- 1...Ba4
- 2.Rxc4#
- 2.Qxc4#
- 1...Bd7
- 2.Rxc4#
- 2.Qxc4#
- 1...Be8
- 2.Rxc4#
- 2.Qxc4#
- 1...Bd6
- 2.Qe4#
- 1...Bf6
- 2.Qxg4#
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bg7
- 2.Qxg4#
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 1...Bh8
- 2.Qxg4#
- 2.Qe4#
- 1...Sf2
- 2.Qxe5#
- 1...Sh2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sf5
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Sc6!
- 1...Kc5
- 1.Ra4?
- 1...Kc5
- 2.Qd6#
- 1...Sxc8
- 2.Qd5#
- 1...Bf4
- 2.Qe4#
- 1...Bc6
- 2.Rxc4#
- 2.Qxc4#
- 1...Bd7
- 2.Rxc4#
- 2.Qxc4#
- 1...Be8
- 2.Rxc4#
- 2.Qxc4#
- 1...Bd6
- 2.Qe4#
- 1...Bf6
- 2.Qxg4#
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bg7
- 2.Qxg4#
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 1...Bh8
- 2.Qxg4#
- 2.Qe4#
- 1...Sf2
- 2.Qxe5#
- 1...Sh2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Bxa4!
- 1...Kc5
- 1.Rxb5?
- 1...Sxc8
- 2.Rd5#
- 2.Qd5#
- 1...Bf4
- 2.Qe4#
- 1...Bd6
- 2.Qe4#
- 1...Bf6
- 2.Rxg4#
- 2.Qxg4#
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bg7
- 2.Rxg4#
- 2.Qxg4#
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 1...Bh8
- 2.Rxg4#
- 2.Qxg4#
- 2.Qe4#
- 1...Sf2
- 2.Qxe5#
- 1...Sh2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sf5
- 2.Rd5#
- 2.Qd5#
- 1...Sc6
- 2.Rd5#
- 2.Qd5#
- 1...Sg8
- 2.Rd5#
- 2.Qd5#
- 1...c3
- 2.bxc3#
- 1...axb5!
- 1...Sxc8
- 1.Rxg4+?
- 1...Bf4
- 2.Qe3#
- 1...Kc5!
- 1...Bf4
- 1.Qxg4+?
- 1...Bf4
- 2.Qxf4#
- 1...Kc5!
- 1...Bf4
- 1.Qd6+?
- 1...Sd5
- 2.Qxd5#
- 1...Bxd6!
- 1...Sd5
- 1.Qxe7?
- threat
- 2.Qxa7#
- 1...Bd6
- 2.Rd5#
- 2.Qxd6#
- 2.Qe4#
- 1...Bc7
- 2.Rd5#
- 2.Qc5#
- 2.Qe4#
- 1...Bb8
- 2.Rd5#
- 2.Qc5#
- 2.Qe4#
- 1...Bd7!
- threat
- 1.Kh1?
- Keys
- 1.Be4!
- 1...Kxe4
- 2.Rxg4#
- 1...Kc5
- 2.Qd6#
- 1...Sxc8
- 2.Qd5#
- 1...Ba4
- 2.Rxc4#
- 2.Qxc4#
- 1...Bc6
- 2.Rxc4#
- 2.Qxc4#
- 1...Bd7
- 2.Rxc4#
- 2.Qxc4#
- 1...Be8
- 2.Rxc4#
- 2.Qxc4#
- 1...Bf4
- 2.Sf3#
- 1...Bd6
- 2.Sf3#
- 1...Bf6
- 2.Sf3#
- 1...Bc7
- 2.Sf3#
- 1...Bg7
- 2.Sf3#
- 1...Bb8
- 2.Sf3#
- 1...Bh8
- 2.Sf3#
- 1...Sf2
- 2.Qxe5#
- 1...Sh2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kxe4
- 1.Be4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- K(d);N_SPINP(c),P_SPINB(g),S_FLIGHT::QAB1(J)
- B(g);OGATE::QAR1(J)
- S(e);N_GUARD::QAB1(J),XB(g)
- S(k);N_GUARD::QAR1(J),XS(k)
- S(k);N_GUARD::QAR1(J)
- S(k);N_GUARD,XS(K)::QAR1(J)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- K(d);N_SPINP(c),P_SPINB(g),S_FLIGHT::QAB1(J)
- S(k);N_GUARD,XS(K)::QAR1(J)
- B(g);OGATE::QAR1(J)
- S(e);N_GUARD::QAB1(J),XB(g)
- S(k);N_GUARD::QAR1(J),XS(k)
- S(k);N_GUARD::QAR1(J)
- Refutation
- S(e);CHECK
- Try
- S(K);
- Vars
- P(j);OGATE,XS(K)::QAB(J),XP(j)
- B(g);OGATE::QAR1(J)
- S(e);N_GUARD::QAB1(J),XB(g)
- S(k);N_GUARD::QAR1(J),XS(k)
- S(k);N_GUARD::QAR1(J)
- Refutation
- K(d);N_SPINP(c),P_SPINB(g),S_FLIGHT
- Try
- S(K);
- Vars
- B(g);OGATE,XS(K)::QAR1(J)
- B(g);OGATE::QAR1(J)
- S(e);N_GUARD::QAB1(J),XB(g)
- S(k);N_GUARD::QAR1(J),XS(k)
- S(k);N_GUARD::QAR1(J)
- Refutation
- K(d);N_SPINP(c),P_SPINB(g),S_FLIGHT
- Try
- S(K);XP(j)
- Threat
- QAB(J)
- Vars
- B(g);OGATE::QAR1(J)
- S(k);N_GUARD::QAR1(J),XS(k)
- S(k);N_GUARD::QAR1(J)
- Refutation
- K(d);N_SPINP(c),P_SPINB(g),S_FLIGHT
- Try
- S(K);XS(k)
- Threat
- QAR1(J)
- Vars
- S(e);N_GUARD::QAB1(J),XB(g)
- Refutation
- K(d);N_SPINP(c),P_SPINB(g),S_FLIGHT
- Try
- B(F);
- Vars
- K(d);N_SPINP(c),P_SPINB(g),S_FLIGHT::QAB1(J)
- S(k);N_GUARD,XS(K)::QAR1(J)
- S(k);N_GUARD::QAR1(J),XS(k)
- B(g);OGATE::QAR1(J)
- S(e);N_GUARD::QAB1(J),XB(g)
- S(k);N_GUARD::QAR1(J)
- Refutation
- S(k);XB(F)
- Try
- B(F);
- Vars
- K(d);N_SPINP(c),P_SPINB(g),S_FLIGHT::QAB1(J)
- S(k);N_GUARD,XS(K)::QAR1(J)
- S(k);N_GUARD::QAR1(J),XS(k)
- B(g);OGATE::QAR1(J)
- S(e);N_GUARD::QAB1(J),XB(g)
- S(k);N_GUARD::QAR1(J)
- Refutation
- S(k);
- Try
- B(F);
- Vars
- K(d);N_SPINP(c),P_SPINB(g),S_FLIGHT::QAB1(J)
- S(k);N_GUARD,XS(K)::QAR1(J)
- S(k);N_GUARD::QAR1(J),XS(k)
- B(g);OGATE::QAR1(J)
- S(e);N_GUARD::QAB1(J),XB(g)
- S(k);N_GUARD::QAR1(J)
- Refutation
- S(k);
- Try
- R(G);
- Vars
- K(d);N_SPINP(c),P_SPINB(g),S_FLIGHT::QAB1(J)
- S(k);N_GUARD,XS(K)::QAR1(J)
- B(g);OGATE::QAR1(J)
- S(e);N_GUARD::QAB1(J),XB(g)
- S(k);N_GUARD::QAR1(J),XS(k)
- S(k);N_GUARD::QAR1(J)
- Refutation
- B(f);N_SPINP(c),XR(G)
- Try
- R(G);N_PINP(c),XB(f)
- Vars
- B(g);OGATE::QAR1(J)
- S(e);N_GUARD::QAB1(J),XB(g)
- P(c);OGATE::P(C),XP(c)
- Refutation
- P(h);XR(G)
- Try
- R(I);CHECK,XS(e)
- Vars
- B(g);OGATE,P_SPINB(g)::QAB1(J)
- Refutation
- K(d);N_SPINP(c),S_FLIGHT
- Try
- Q(J);CHECK,XS(e)
- Vars
- B(g);N_GUARD,P_SPINB(g)::QAR2(J),XB(g)
- Refutation
- K(d);N_SPINP(c),P_SPINB(g),S_FLIGHT
- Try
- Q(J);CHECK
- Vars
- S(k);N_GUARD,P_SPINS(k)::QAR1(J),XS(k)
- Refutation
- B(g);XQ(J)
- Try
- Q(J);XS(k)
- Threat
- QAB(J),XP(j)
- Refutation
- B(f);
- Try
- Actual
- B(F);
- Vars
- K(d);OGATEB,P-FLIGHT,P_SPINB(g),XB(F)::R(I),XS(e)
- K(d);N_SPINP(c),P_SPINB(g),S_FLIGHT::QAB1(J)
- S(k);N_GUARD,XS(K)::QAR1(J)
- B(g);::S(A)
- S(e);N_GUARD::QAB1(J),XB(g)
- S(k);N_GUARD::QAR1(J),XS(k)
- S(k);N_GUARD::QAR1(J)
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).