MESON Chess Problem Database
Problem Display
PID: 2868 (3Br3/K3ppN1/2b2N2/1p1pk2P/1Q3b1P/2PPnR1n/8/8 w - - 0 1)
Bernard, Henry D'Oyly
The Times, 1897
#2
10 + 10
| 3402 | Hampstead and Highgate Express | 1898 |
| 16 | Chess Amateur (The) | 1910 |
| 2681 | All Change Here! | 1919 |
| 56 | The Problemist | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Kxf6
- 2.Qd4#
- 1...Rxd8
- 2.Qxe7#
- 1...Rf8
- 2.Qxe7#
- 1...Rg8
- 2.Qxe7#
- 1...Rh8
- 2.Qxe7#
- 1...Bh2
- 2.Bc7#
- 2.d4#
- 1...Bg3
- 2.Bc7#
- 2.d4#
- 1...Bg5
- 2.Bc7#
- 2.d4#
- 1...Bh6
- 2.Bc7#
- 2.d4#
- 1...Bb7
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 1...Ba8
- 2.Sd7#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sc2
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sf5
- 2.Sg4#
- 1...Sg1
- 2.Qxf4#
- 1...Sf2
- 2.Qxf4#
- 1...Sg5
- 2.Qxf4#
- 1...d4
- 2.Qxd4#
- 1...exf6
- 2.Bc7#
- 1...e6
- 2.d4#
- 1...Kxf6
- Tries
- 1.Ka6?
- 1...Kxf6
- 2.Qd4#
- 1...Rxd8
- 2.Qxe7#
- 1...exf6
- 2.Bc7#
- 1...Rf8
- 2.Qxe7#
- 1...Rg8
- 2.Qxe7#
- 1...Rh8
- 2.Qxe7#
- 1...Bh2
- 2.Bc7#
- 2.d4#
- 1...Bg3
- 2.Bc7#
- 2.d4#
- 1...Bg5
- 2.Bc7#
- 2.d4#
- 1...Bh6
- 2.Bc7#
- 2.d4#
- 1...Bd7
- 2.Sxd7#
- 1...Ba8
- 2.Sd7#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sc2
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sf5
- 2.Sg4#
- 1...Sg1
- 2.Qxf4#
- 1...Sf2
- 2.Qxf4#
- 1...Sg5
- 2.Qxf4#
- 1...d4
- 2.Qxd4#
- 1...e6
- 2.d4#
- 1...Bb7+!
- 1...Kxf6
- 1.Kb6?
- 1...Kxf6
- 2.Qd4#
- 1...Rxd8
- 2.Qxe7#
- 1...exf6
- 2.Bc7#
- 1...Rf8
- 2.Qxe7#
- 1...Rg8
- 2.Qxe7#
- 1...Rh8
- 2.Qxe7#
- 1...Bh2
- 2.Bc7#
- 2.d4#
- 1...Bg3
- 2.Bc7#
- 2.d4#
- 1...Bg5
- 2.Bc7#
- 2.d4#
- 1...Bh6
- 2.Bc7#
- 2.d4#
- 1...Bb7
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 1...Ba8
- 2.Sd7#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sc2
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sf5
- 2.Sg4#
- 1...Sg1
- 2.Qxf4#
- 1...Sf2
- 2.Qxf4#
- 1...Sg5
- 2.Qxf4#
- 1...d4
- 2.Qxd4#
- 1...e6
- 2.d4#
- 1...Sc4+!
- 1...Kxf6
- 1.Sfxe8?
- threat
- 2.Bc7#
- 2.Qxe7#
- 2.Qd4#
- 1...Bxe8
- 2.Qxe7#
- 1...d4
- 2.Qxd4#
- 1...Sc4
- 2.Qxe7#
- 1...Bg5
- 2.Bc7#
- 2.Qd4#
- 1...Bd7
- 2.Bc7#
- 2.Qd4#
- 1...Sc2
- 2.Bc7#
- 2.Qxe7#
- 1...Sg5
- 2.Bc7#
- 2.Qd4#
- 2.Qxf4#
- 1...e6
- 2.Bf6#
- 2.Bc7#
- 2.Qd6#
- 2.Qd4#
- 1...Sf5!
- threat
- 1.Bxe7?
- threat
- 2.Qd6#
- 2.Qd4#
- 2.d4#
- 1...Rxe7+
- 2.Qxe7#
- 1...Sf5
- 2.Sg4#
- 1...Rd8
- 2.Qd4#
- 2.d4#
- 1...Sc2
- 2.Sg4#
- 2.Qd6#
- 1...Sc4
- 2.Sg4#
- 2.d4#
- 1...d4
- 2.Qd6#
- 2.Qxd4#
- 2.cxd4#
- 1...Ra8+!
- threat
- 1.Rf1?
- 1...Kxf6
- 2.Qd4#
- 1...Rxd8
- 2.Qxe7#
- 1...Sxf1
- 2.Sg4#
- 1...exf6
- 2.Bc7#
- 1...Sf5
- 2.Sg4#
- 1...Rf8
- 2.Qxe7#
- 1...Rg8
- 2.Qxe7#
- 1...Rh8
- 2.Qxe7#
- 1...Bh2
- 2.Bc7#
- 2.d4#
- 1...Bg3
- 2.Bc7#
- 2.d4#
- 1...Bg5
- 2.Bc7#
- 2.d4#
- 1...Bh6
- 2.Bc7#
- 2.d4#
- 1...Bb7
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 1...Ba8
- 2.Sd7#
- 1...Sd1
- 2.Sg4#
- 1...Sc2
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sg1
- 2.Qxf4#
- 1...Sg5
- 2.Qxf4#
- 1...d4
- 2.Qxd4#
- 1...e6
- 2.d4#
- 1...Sf2!
- 1...Kxf6
- 1.Rf2?
- 1...Kxf6
- 2.Qd4#
- 1...Rxd8
- 2.Qxe7#
- 1...exf6
- 2.Bc7#
- 1...Sf5
- 2.Sg4#
- 1...Rf8
- 2.Qxe7#
- 1...Rg8
- 2.Qxe7#
- 1...Rh8
- 2.Qxe7#
- 1...Bh2
- 2.Bc7#
- 2.d4#
- 1...Bg3
- 2.Bc7#
- 2.d4#
- 1...Bg5
- 2.Bc7#
- 2.d4#
- 1...Bh6
- 2.Bc7#
- 2.d4#
- 1...Bb7
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 1...Ba8
- 2.Sd7#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sc2
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sg1
- 2.Qxf4#
- 1...Sg5
- 2.Qxf4#
- 1...d4
- 2.Qxd4#
- 1...e6
- 2.d4#
- 1...Sxf2!
- 1...Kxf6
- 1.Qd6+?
- 1...exd6
- 2.d4#
- 1...Kxd6!
- 1...exd6
- 1.Ka6?
- Keys
- 1.h6!
- 1...Kxf6
- 2.Qd6#
- 1...Rxd8
- 2.Qxe7#
- 1...Bxh6
- 2.Bc7#
- 2.d4#
- 1...exf6
- 2.Bc7#
- 1...Sf5
- 2.Sg4#
- 1...Rf8
- 2.Qxe7#
- 1...Rg8
- 2.Qxe7#
- 1...Rh8
- 2.Qxe7#
- 1...Bh2
- 2.Bc7#
- 2.d4#
- 1...Bg3
- 2.Bc7#
- 2.d4#
- 1...Bg5
- 2.Bc7#
- 2.d4#
- 1...Bb7
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 1...Ba8
- 2.Sd7#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sc2
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sg1
- 2.Qxf4#
- 1...Sf2
- 2.Qxf4#
- 1...Sg5
- 2.Qxf4#
- 1...d4
- 2.Qxd4#
- 1...e6
- 2.d4#
- 1...Kxf6
- 1.h6!
There are these versions: 5039
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(f);P_SPINB(c),P_SPINP(h),S_FLIGHT,XS(G)::QAB(D)
- R(j);N_GUARD,XB(J)::QAR2(D),XP(h)
- R(j);N_GUARD::QAR2(D),XP(h)
- B(g);N_GUARD::S(G)
- B(g);N_GUARD::S(G),XB(g)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- S(b);N_GUARD::QAB1(D),XB(c)
- P(e);::QAB1(D),XP(e)
- P(h);SBLOCK,XS(G)::B(J)
- P(h);::P(B)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- K(f);P_SPINB(c),P_SPINP(h),S_FLIGHT,XS(G)::QAB(D)
- R(j);N_GUARD,XB(J)::QAR2(D),XP(h)
- P(h);SBLOCK,XS(G)::B(J)
- R(j);N_GUARD::QAR2(D),XP(h)
- B(g);N_GUARD::S(G),XB(g)
- B(g);N_GUARD::S(G)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- S(b);N_GUARD::QAB1(D),XB(c)
- P(e);::QAB1(D),XP(e)
- P(h);::P(B)
- Refutation
- B(g);CHECK
- Try
- K(H);S_FLIGHT
- Vars
- K(f);P_SPINB(c),P_SPINP(h),S_FLIGHT,XS(G)::QAB(D)
- R(j);N_GUARD,XB(J)::QAR2(D),XP(h)
- P(h);SBLOCK,XS(G)::B(J)
- R(j);N_GUARD::QAR2(D),XP(h)
- B(g);N_GUARD::S(G)
- B(g);N_GUARD::S(G),XB(g)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- S(b);N_GUARD::QAB1(D),XB(c)
- P(e);::QAB1(D),XP(e)
- P(h);::P(B)
- Refutation
- S(a);CHECK
- Try
- S(G);XR(j)
- Threat
- DUALS(3)
- Vars
- B(g);XS(G)::QAR2(D),XP(h)
- P(e);::QAB1(D),XP(e)
- S(a);::QAR2(D),XP(h)
- Refutation
- S(a);
- Try
- B(J);XP(h)
- Threat
- DUALS(3)
- Vars
- R(j);CHECK,OGATE,XB(J)::QAR2(D),XR(j)
- S(a);N_GUARD::S(G)
- Refutation
- R(j);CHECK
- Try
- R(C);
- Vars
- K(f);P_SPINB(c),P_SPINP(h),S_FLIGHT,XS(G)::QAB(D)
- R(j);N_GUARD,XB(J)::QAR2(D),XP(h)
- S(a);N_GUARD,XR(C)::S(G)
- P(h);SBLOCK,XS(G)::B(J)
- S(a);N_GUARD::S(G)
- R(j);N_GUARD::QAR2(D),XP(h)
- B(g);N_GUARD::S(G)
- B(g);N_GUARD::S(G),XB(g)
- S(a);N_GUARD::S(G),XS(a)
- S(b);N_GUARD::QAB1(D),XB(c)
- P(e);::QAB1(D),XP(e)
- P(h);::P(B)
- Refutation
- S(b);
- Try
- R(C);
- Vars
- K(f);P_SPINB(c),P_SPINP(h),S_FLIGHT,XS(G)::QAB(D)
- R(j);N_GUARD,XB(J)::QAR2(D),XP(h)
- P(h);SBLOCK,XS(G)::B(J)
- S(a);N_GUARD::S(G)
- R(j);N_GUARD::QAR2(D),XP(h)
- B(g);N_GUARD::S(G)
- B(g);N_GUARD::S(G),XB(g)
- S(a);N_GUARD::S(G),XS(a)
- S(b);N_GUARD::QAB1(D),XB(c)
- P(e);::QAB1(D),XP(e)
- P(h);::P(B)
- Refutation
- S(b);XR(C)
- Try
- Q(D);CHECK
- Vars
- P(h);SBLOCK,XQ(D)::P(B)
- Refutation
- K(f);S_FLIGHT,XQ(D)
- Try
- Actual
- P(F);
- Vars
- K(f);P_SPINB(c),P_SPINP(h),S_FLIGHT,XS(G)::QAR2(D)
- R(j);N_GUARD,XB(J)::QAR2(D),XP(h)
- P(h);SBLOCK,XS(G)::B(J)
- S(a);N_GUARD::S(G)
- R(j);N_GUARD::QAR2(D),XP(h)
- B(g);N_GUARD::S(G)
- B(g);N_GUARD::S(G),XB(g)
- S(a);N_GUARD::S(G),XS(a)
- S(b);N_GUARD::QAB1(D),XB(c)
- P(e);::QAB1(D),XP(e)
- P(h);::P(B)
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).