MESON Chess Problem Database
Problem Display
PID: 68498 (6B1/8/b1Q1p1p1/r2P4/4k1K1/2BNp1p1/4R3/8 w - - 0 1)
Colville, Robert A
Sp. Prize, The Schoolmaster, 1894
#2
7 + 7
| 15 | British Chess Magazine | 1896 |
| 187 | The Chess Bouquet | 1897 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sc5#
- 1...Ra2
- 2.Sc5#
- 1...Ra3
- 2.Sc5#
- 1...Ra4
- 2.Sc5#
- 1...Rb5
- 2.Qc4#
- 1...Rc5
- 2.Sxc5#
- 1...Rxd5
- 2.Sc5#
- 1...Bxd3
- 2.Qxe6#
- 1...Bc4
- 2.Qxc4#
- 1...Bb5
- 2.Sc5#
- 1...Bb7
- 2.Qc4#
- 1...Bc8
- 2.Qc4#
- 1...g2
- 2.Sf2#
- 1...exd5
- 2.Qxg6#
- 1...e5
- 2.Qxg6#
- 1...g5
- 2.Bh7#
- 1...Ra1
- Tries
- 1.Ba1?
- 1...Kxd3
- 2.Qc2#
- 1...Rxd5
- 2.Sc5#
- 1...Bxd3
- 2.Qxe6#
- 1...exd5
- 2.Qxg6#
- 1...Ra2
- 2.Sc5#
- 1...Ra3
- 2.Sc5#
- 1...Ra4
- 2.Sc5#
- 1...Rb5
- 2.Qc4#
- 1...Rc5
- 2.Sxc5#
- 1...Bc4
- 2.Qxc4#
- 1...Bb5
- 2.Sc5#
- 1...Bb7
- 2.Qc4#
- 1...Bc8
- 2.Qc4#
- 1...g2
- 2.Sf2#
- 1...e5
- 2.Qxg6#
- 1...g5
- 2.Bh7#
- 1...Rxa1!
- 1...Kxd3
- 1.Bg7?
- 1...Kxd3
- 2.Qc2#
- 1...Rxd5
- 2.Sc5#
- 1...Bxd3
- 2.Qxe6#
- 1...exd5
- 2.Qxg6#
- 1...Ra1
- 2.Sc5#
- 1...Ra2
- 2.Sc5#
- 1...Ra3
- 2.Sc5#
- 1...Ra4
- 2.Sc5#
- 1...Rb5
- 2.Qc4#
- 1...Rc5
- 2.Sxc5#
- 1...Bc4
- 2.Qxc4#
- 1...Bb5
- 2.Sc5#
- 1...Bb7
- 2.Qc4#
- 1...Bc8
- 2.Qc4#
- 1...g2
- 2.Sf2#
- 1...g5
- 2.Bh7#
- 1...e5!
- 1...Kxd3
- 1.Bh8?
- 1...Kxd3
- 2.Qc2#
- 1...Rxd5
- 2.Sc5#
- 1...Bxd3
- 2.Qxe6#
- 1...exd5
- 2.Qxg6#
- 1...Ra1
- 2.Sc5#
- 1...Ra2
- 2.Sc5#
- 1...Ra3
- 2.Sc5#
- 1...Ra4
- 2.Sc5#
- 1...Rb5
- 2.Qc4#
- 1...Rc5
- 2.Sxc5#
- 1...Bc4
- 2.Qxc4#
- 1...Bb5
- 2.Sc5#
- 1...Bb7
- 2.Qc4#
- 1...Bc8
- 2.Qc4#
- 1...g2
- 2.Sf2#
- 1...g5
- 2.Bh7#
- 1...e5!
- 1...Kxd3
- 1.Bf7?
- threat
- 2.Bxg6#
- 1...g5
- 2.Bg6#
- 1...Kxd3!
- threat
- 1.Rd2?
- threat
- 2.Qxe6#
- 1...Rxd5
- 2.Sc5#
- 1...exd5
- 2.Qe8#
- 2.Qe6#
- 2.Qxg6#
- 1...Bc8
- 2.Qc4#
- 1...e5
- 2.Qxg6#
- 1...exd2!
- threat
- 1.dxe6+?
- 1...Rd5
- 2.Sc5#
- 1...Kxd3!
- 1...Rd5
- 1.d6+?
- 1...Rd5
- 2.Sc5#
- 1...Kxd3!
- 1...Rd5
- 1.Ba1?
- Keys
- 1.Bb2!
- 1...Kxd3
- 2.Qc2#
- 1...Rxd5
- 2.Sc5#
- 1...Bxd3
- 2.Qxe6#
- 1...exd5
- 2.Qxg6#
- 1...Ra1
- 2.Sc5#
- 1...Ra2
- 2.Sc5#
- 1...Ra3
- 2.Sc5#
- 1...Ra4
- 2.Sc5#
- 1...Rb5
- 2.Qc4#
- 1...Rc5
- 2.Sxc5#
- 1...Bc4
- 2.Qxc4#
- 1...Bb5
- 2.Sc5#
- 1...Bb7
- 2.Qc4#
- 1...Bc8
- 2.Qc4#
- 1...g2
- 2.Sf2#
- 1...e5
- 2.Qxg6#
- 1...g5
- 2.Bh7#
- 1...Kxd3
- 1.Bb2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD::S(C)
- R(d);S_CUTB(e)::QAR2(F)
- R(d);N_GUARD::S(C),XR(d)
- R(d);N_GUARD,P_SPINR(d),XP(E)::S(C)
- B(e);SBLOCK,XS(C)::QAR2(F),XP(f)
- B(e);N_GUARD::QAR2(F),XB(e)
- B(e);S_CUTR(d)::S(C)
- B(e);N_GUARD::QAR2(F)
- P(b);N_GUARD::S(C)
- P(f);OGATE,XP(E)::QAB(F),XP(g)
- P(f);OGATE::QAB(F),XP(g)
- P(g);OGATEB::B(G)
- Tries
- Try
- B(B);
- Vars
- K(c);N_SPINP(a),OGATEB,S_FLIGHT,XS(C)::QAB1(F)
- R(d);N_GUARD,P_SPINR(d),XP(E)::S(C)
- B(e);SBLOCK,XS(C)::QAR2(F),XP(f)
- P(f);OGATE,XP(E)::QAB(F),XP(g)
- R(d);N_GUARD::S(C)
- R(d);S_CUTB(e)::QAR2(F)
- R(d);N_GUARD::S(C),XR(d)
- B(e);N_GUARD::QAR2(F),XB(e)
- B(e);S_CUTR(d)::S(C)
- B(e);N_GUARD::QAR2(F)
- P(b);N_GUARD::S(C)
- P(f);OGATE::QAB(F),XP(g)
- P(g);OGATEB::B(G)
- Refutation
- R(d);XB(B)
- Try
- B(B);
- Vars
- K(c);N_SPINP(a),OGATEB,S_FLIGHT,XS(C)::QAB1(F)
- R(d);N_GUARD,P_SPINR(d),XP(E)::S(C)
- B(e);SBLOCK,XS(C)::QAR2(F),XP(f)
- P(f);OGATE,XP(E)::QAB(F),XP(g)
- R(d);N_GUARD::S(C)
- R(d);S_CUTB(e)::QAR2(F)
- R(d);N_GUARD::S(C),XR(d)
- B(e);N_GUARD::QAR2(F),XB(e)
- B(e);S_CUTR(d)::S(C)
- B(e);N_GUARD::QAR2(F)
- P(b);N_GUARD::S(C)
- P(g);OGATEB::B(G)
- Refutation
- P(f);
- Try
- B(B);
- Vars
- K(c);N_SPINP(a),OGATEB,S_FLIGHT,XS(C)::QAB1(F)
- R(d);N_GUARD,P_SPINR(d),XP(E)::S(C)
- B(e);SBLOCK,XS(C)::QAR2(F),XP(f)
- P(f);OGATE,XP(E)::QAB(F),XP(g)
- R(d);N_GUARD::S(C)
- R(d);S_CUTB(e)::QAR2(F)
- R(d);N_GUARD::S(C),XR(d)
- B(e);N_GUARD::QAR2(F),XB(e)
- B(e);S_CUTR(d)::S(C)
- B(e);N_GUARD::QAR2(F)
- P(b);N_GUARD::S(C)
- P(g);OGATEB::B(G)
- Refutation
- P(f);
- Try
- B(G);
- Threat
- B(G),XP(g)
- Vars
- P(g);::B(G)
- Refutation
- K(c);N_SPINP(a),S_FLIGHT,XS(C)
- Try
- R(A);N_PINP(a)
- Threat
- QAR2(F),XP(f)
- Vars
- R(d);N_GUARD,P_SPINR(d),XP(E)::S(C)
- B(e);N_GUARD::QAR2(F)
- P(f);OGATE::QAB(F),XP(g)
- Refutation
- P(a);XR(A)
- Try
- P(E);CHECK,XP(f)
- Vars
- R(d);P_SPINR(d)::S(C)
- Refutation
- K(c);N_SPINP(a),S_FLIGHT,XS(C)
- Try
- P(E);CHECK
- Vars
- R(d);P_SPINR(d)::S(C)
- Refutation
- K(c);N_SPINP(a),S_FLIGHT,XS(C)
- Try
- Actual
- B(B);
- Vars
- K(c);N_SPINP(a),OGATEB,S_FLIGHT,XS(C)::QAB1(F)
- R(d);N_GUARD,P_SPINR(d),XP(E)::S(C)
- B(e);SBLOCK,XS(C)::QAR2(F),XP(f)
- P(f);OGATE,XP(E)::QAB(F),XP(g)
- R(d);N_GUARD::S(C)
- R(d);S_CUTB(e)::QAR2(F)
- R(d);N_GUARD::S(C),XR(d)
- B(e);N_GUARD::QAR2(F),XB(e)
- B(e);S_CUTR(d)::S(C)
- B(e);N_GUARD::QAR2(F)
- P(b);N_GUARD::S(C)
- P(f);OGATE::QAB(F),XP(g)
- P(g);OGATEB::B(G)
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