MESON Chess Problem Database
Problem Display
PID: 152597 (3NQ1RB/5p1p/3PNP1P/K3pk2/R4P2/7n/4r1pp/3B1brq w - - 0 1)
Harley, Brian
British Chess Magazine, 1931
#2
12 + 11
| 15290 | Harley Scrapbook | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Bg4#
- 1...Ra2
- 2.Bg4#
- 1...Rb2
- 2.Bg4#
- 1...Rc2
- 2.Bg4#
- 1...Rd2
- 2.Bg4#
- 1...Rf2
- 2.Bg4#
- 1...Re3
- 2.Bg4#
- 1...Re4
- 2.Bg4#
- 1...Sf2
- 2.Rg5#
- 1...Sxf4
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...exf4
- 2.Sd4#
- 1...e4
- 2.Qb5#
- 1...fxe6
- 2.Qxe6#
- 1...Re1
- Tries
- 1.Kb6?
- 1...Sxf4
- 2.Rg5#
- 1...exf4
- 2.Sd4#
- 1...fxe6
- 2.Qxe6#
- 1...Sg5
- 2.Rxg5#
- 1...Re1
- 2.Bg4#
- 1...Ra2
- 2.Bg4#
- 1...Rc2
- 2.Bg4#
- 1...Rd2
- 2.Bg4#
- 1...Rf2
- 2.Bg4#
- 1...Re3
- 2.Bg4#
- 1...Re4
- 2.Bg4#
- 1...Sf2
- 2.Rg5#
- 1...e4
- 2.Ra5#
- 2.Qb5#
- 1...Rb2+!
- 1...Sxf4
- 1.Sxf7?
- 1...Sxf4
- 2.Rg5#
- 1...exf4
- 2.Sd4#
- 1...Sg5
- 2.Rxg5#
- 1...Re1
- 2.Bg4#
- 1...Ra2
- 2.Bg4#
- 1...Rb2
- 2.Bg4#
- 1...Rc2
- 2.Bg4#
- 1...Rd2
- 2.Bg4#
- 1...Rf2
- 2.Bg4#
- 1...Re3
- 2.Bg4#
- 1...Re4
- 2.Bg4#
- 1...Sf2
- 2.Rg5#
- 1...e4!
- 1...Sxf4
- 1.Bc2+?
- 1...Re4
- 2.Bxe4#
- 1...e4
- 2.Qb5#
- 1...Rxc2!
- 1...Re4
- 1.Bxe2?
- threat
- 2.Bg4#
- 1...exf4
- 2.Sd4#
- 2.Qb5#
- 1...Sf2
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Bxe2!
- threat
- 1.Rb4?
- 1...Sxf4
- 2.Rg5#
- 1...exf4
- 2.Sd4#
- 1...fxe6
- 2.Qxe6#
- 1...Sg5
- 2.Rxg5#
- 1...e4
- 2.Rb5#
- 2.Qb5#
- 1...Re1
- 2.Bg4#
- 1...Rb2
- 2.Bg4#
- 1...Rc2
- 2.Bg4#
- 1...Rd2
- 2.Bg4#
- 1...Rf2
- 2.Bg4#
- 1...Re3
- 2.Bg4#
- 1...Re4
- 2.Bg4#
- 1...Sf2
- 2.Rg5#
- 1...Ra2+!
- 1...Sxf4
- 1.Rc4?
- 1...Sxf4
- 2.Rg5#
- 1...exf4
- 2.Sd4#
- 1...fxe6
- 2.Qxe6#
- 1...Sg5
- 2.Rxg5#
- 1...e4
- 2.Rc5#
- 2.Qb5#
- 1...Re1
- 2.Bg4#
- 1...Rb2
- 2.Bg4#
- 1...Rc2
- 2.Bg4#
- 1...Rd2
- 2.Bg4#
- 1...Rf2
- 2.Bg4#
- 1...Re3
- 2.Bg4#
- 1...Re4
- 2.Bg4#
- 1...Sf2
- 2.Rg5#
- 1...Ra2+!
- 1...Sxf4
- 1.Qb5?
- 1...Sxf4
- 2.Rxf4#
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Re1
- 2.Bg4#
- 1...Ra2
- 2.Bg4#
- 2.Qxe5#
- 1...Rb2
- 2.Bg4#
- 2.Qxe5#
- 1...Rc2
- 2.Bg4#
- 2.Qxe5#
- 1...Rd2
- 2.Bg4#
- 2.Qxe5#
- 1...Rf2
- 2.Bg4#
- 2.Qxe5#
- 1...Re3
- 2.Bg4#
- 1...Re4
- 2.Bg4#
- 1...Sf2
- 2.Rg5#
- 1...fxe6!
- 1...Sxf4
- 1.Qd7?
- threat
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 2.Sf8#
- 1...Sxf4
- 2.Sxf4#
- 2.Rg5#
- 1...fxe6
- 2.Qxe6#
- 2.Qxh7#
- 1...Sg5
- 2.Sxg5#
- 2.Rxg5#
- 1...e4
- 2.Qb5#
- 1...Re4
- 2.Bg4#
- 1...exf4!
- threat
- 1.Qxf7?
- threat
- 2.Qxh7#
- 1...Sxf4
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...exf4!
- threat
- 1.Qe7?
- 1...Sxf4
- 2.Rg5#
- 1...exf4
- 2.Sd4#
- 1...fxe6
- 2.Qxe6#
- 2.Qxh7#
- 1...Sg5
- 2.Rxg5#
- 1...Re1
- 2.Bg4#
- 1...Ra2
- 2.Bg4#
- 1...Rb2
- 2.Bg4#
- 1...Rc2
- 2.Bg4#
- 1...Rd2
- 2.Bg4#
- 1...Rf2
- 2.Bg4#
- 1...Re3
- 2.Bg4#
- 1...Re4
- 2.Bg4#
- 1...Sf2
- 2.Rg5#
- 1...e4!
- 1...Sxf4
- 1.d7?
- 1...Sxf4
- 2.Rg5#
- 1...exf4
- 2.Sd4#
- 1...fxe6
- 2.Qxe6#
- 1...Sg5
- 2.Rxg5#
- 1...Re1
- 2.Bg4#
- 1...Ra2
- 2.Bg4#
- 1...Rb2
- 2.Bg4#
- 1...Rc2
- 2.Bg4#
- 1...Rd2
- 2.Bg4#
- 1...Rf2
- 2.Bg4#
- 1...Re3
- 2.Bg4#
- 1...Re4
- 2.Bg4#
- 1...Sf2
- 2.Rg5#
- 1...e4!
- 1...Sxf4
- 1.Kb6?
- Keys
- 1.Sc6!
- 1...Sxf4
- 2.Rg5#
- 1...exf4
- 2.Sed4#
- 1...fxe6
- 2.Se7#
- 1...Sg5
- 2.Rxg5#
- 1...Re1
- 2.Bg4#
- 1...Ra2
- 2.Bg4#
- 1...Rb2
- 2.Bg4#
- 1...Rc2
- 2.Bg4#
- 1...Rd2
- 2.Bg4#
- 1...Rf2
- 2.Bg4#
- 1...Re3
- 2.Bg4#
- 1...Re4
- 2.Bg4#
- 1...Sf2
- 2.Rg5#
- 1...e4
- 2.Scd4#
- 1...Sxf4
- 1.Sc6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);OGATE::B(A)
- R(d);OGATE,P_PINR(B)::B(A)
- S(g);N_GUARD::R1(K)
- S(g);N_GUARD,XP(C)::R1(K)
- S(g);N_GUARD::R1(K),XS(g)
- P(h);N_GUARD,SBLOCK,XP(C)::S(F)
- P(h);OGATEB::QAR(J)
- P(j);OGATE,XS(F)::QAB1(J),XP(j)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- S(g);N_GUARD,XP(C)::R1(K)
- P(h);N_GUARD,SBLOCK,XP(C)::S(F)
- P(j);OGATE,XS(F)::QAB1(J),XP(j)
- S(g);N_GUARD::R1(K),XS(g)
- R(d);OGATE::B(A)
- S(g);N_GUARD::R1(K)
- Refutation
- R(d);CHECK
- Try
- S(I);XP(j)
- Vars
- S(g);N_GUARD,XP(C)::R1(K)
- P(h);N_GUARD,SBLOCK,XP(C)::S(F)
- S(g);N_GUARD::R1(K),XS(g)
- R(d);OGATE::B(A)
- R(d);OGATE,P_PINR(B)::B(A)
- S(g);N_GUARD::R1(K)
- Refutation
- P(h);
- Try
- B(A);CHECK
- Vars
- R(d);N_GUARD,P_SPINR(d)::B(A),XR(d)
- P(h);P_SPINP(h),S_CUTR(d),S_CUTR(d)::QAR(J)
- Refutation
- R(d);XB(A)
- Try
- B(A);XR(d)
- Threat
- B(A)
- Vars
- S(g);N_GUARD::R1(K)
- S(g);N_GUARD::R1(K),XS(g)
- Refutation
- B(a);XB(A)
- Try
- R(B);
- Vars
- S(g);N_GUARD,XP(C)::R1(K)
- P(h);N_GUARD,SBLOCK,XP(C)::S(F)
- P(j);OGATE,XS(F)::QAB1(J),XP(j)
- S(g);N_GUARD::R1(K),XS(g)
- R(d);OGATE::B(A)
- S(g);N_GUARD::R1(K)
- Refutation
- R(d);CHECK
- Try
- R(B);
- Vars
- S(g);N_GUARD,XP(C)::R1(K)
- P(h);N_GUARD,SBLOCK,XP(C)::S(F)
- P(j);OGATE,XS(F)::QAB1(J),XP(j)
- S(g);N_GUARD::R1(K),XS(g)
- R(d);OGATE::B(A)
- S(g);N_GUARD::R1(K)
- Refutation
- R(d);CHECK
- Try
- Q(J);P_PINP(h)
- Vars
- S(g);N_GUARD::R1(K),XS(g)
- R(d);OGATE::B(A)
- S(g);N_GUARD::R1(K)
- Refutation
- P(j);XS(F)
- Try
- Q(J);
- Threat
- DUALS(4)
- Vars
- P(h);OGATEB::QAR(J)
- R(d);OGATE::B(A)
- Refutation
- P(h);XP(C)
- Try
- Q(J);XP(j)
- Threat
- QAB(J),XP(k)
- Vars
- S(g);N_GUARD,XP(C)::R1(K)
- S(g);N_GUARD::R1(K),XS(g)
- Refutation
- P(h);XP(C)
- Try
- Q(J);
- Vars
- S(g);N_GUARD,XP(C)::R1(K)
- P(h);N_GUARD,SBLOCK,XP(C)::S(F)
- S(g);N_GUARD::R1(K),XS(g)
- R(d);OGATE::B(A)
- R(d);OGATE,P_PINR(B)::B(A)
- S(g);N_GUARD::R1(K)
- Refutation
- P(h);
- Try
- P(E);
- Vars
- S(g);N_GUARD,XP(C)::R1(K)
- P(h);N_GUARD,SBLOCK,XP(C)::S(F)
- P(j);OGATE,XS(F)::QAB1(J),XP(j)
- S(g);N_GUARD::R1(K),XS(g)
- R(d);OGATE::B(A)
- R(d);OGATE,P_PINR(B)::B(A)
- S(g);N_GUARD::R1(K)
- Refutation
- P(h);
- Try
- Actual
- S(I);
- Vars
- S(g);N_GUARD,XP(C)::R1(K)
- P(h);N_GUARD,SBLOCK,XP(C)::S(F)
- P(j);SBLOCK,XS(F)::S(I)
- S(g);N_GUARD::R1(K),XS(g)
- R(d);OGATE::B(A)
- R(d);OGATE,P_PINR(B)::B(A)
- S(g);N_GUARD::R1(K)
- P(h);N_GUARD,SBLOCK::S(I)
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