MESON Chess Problem Database
Problem Display
PID: 21287 (n2N4/1R3p2/b1B2R2/BNk3p1/1prr1pK1/1p3pn1/1P3Q2/8 w - - 0 1)
Stewart, John
3rd Prize, Chess Amateur (The), 1918
#2
9 + 12
| 2681 | All Change Here! | 1919 |
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
| 133 | The Problemist Supplement | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qxd4#
- 1...Rc2
- 2.Qxd4#
- 1...Rc3
- 2.Qxd4#
- 1...Bxb5
- 2.Rxb5#
- 1...Bxb7
- 2.Sxb7#
- 1...Sf1
- 2.Rf5#
- 1...Sh1
- 2.Rf5#
- 1...Se2
- 2.Rf5#
- 1...Se4
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...Sb6
- 2.Bxb6#
- 1...Sc7
- 2.Bb6#
- 1...Rc1
- Tries
- 1.Kh3?
- 1...Bxb5
- 2.Rxb5#
- 1...Bxb7
- 2.Sxb7#
- 1...Rc1
- 2.Qxd4#
- 1...Rc2
- 2.Qxd4#
- 1...Rc3
- 2.Qxd4#
- 1...Sf1
- 2.Rf5#
- 1...Sh1
- 2.Rf5#
- 1...Se2
- 2.Rf5#
- 1...Se4
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...Sb6
- 2.Bxb6#
- 1...Sc7
- 2.Bb6#
- 1...g4+!
- 1...Bxb5
- 1.Kxg5?
- 1...Bxb5
- 2.Rxb5#
- 1...Bxb7
- 2.Sxb7#
- 1...Rc1
- 2.Qxd4#
- 1...Rc2
- 2.Qxd4#
- 1...Rc3
- 2.Qxd4#
- 1...Sf1
- 2.Rf5#
- 1...Sh1
- 2.Rf5#
- 1...Se2
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...Sb6
- 2.Bxb6#
- 1...Sc7
- 2.Bb6#
- 1...Se4+!
- 1...Bxb5
- 1.Bc7?
- threat
- 2.Bd6#
- 1...Bxb7
- 2.Sxb7#
- 1...Rc1
- 2.Qxd4#
- 1...Rc2
- 2.Qxd4#
- 1...Rc3
- 2.Qxd4#
- 1...Se4
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sxc7!
- threat
- 1.Rd6?
- threat
- 2.Rd5#
- 1...Rc1
- 2.Qxd4#
- 1...Rc2
- 2.Qxd4#
- 1...Rc3
- 2.Qxd4#
- 1...Sb6
- 2.Bxb6#
- 1...Sc7
- 2.Bb6#
- 1...f5+!
- threat
- 1.Rb8?
- 1...Bxb5
- 2.Sb7#
- 2.Rxb5#
- 1...Rc1
- 2.Qxd4#
- 1...Rc2
- 2.Qxd4#
- 1...Rc3
- 2.Qxd4#
- 1...Sb6
- 2.Bxb6#
- 1...Bb7
- 2.Sxb7#
- 1...Sf1
- 2.Rf5#
- 1...Sh1
- 2.Rf5#
- 1...Se2
- 2.Rf5#
- 1...Se4
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...Sc7
- 2.Bb6#
- 1...Bc8+!
- 1...Bxb5
- 1.Qg1?
- 1...Bxb5
- 2.Rxb5#
- 1...Bxb7
- 2.Sxb7#
- 1...Rc1
- 2.Qxd4#
- 1...Rc2
- 2.Qxd4#
- 1...Rc3
- 2.Qxd4#
- 1...Sb6
- 2.Bxb6#
- 1...Sf1
- 2.Rf5#
- 1...Sh1
- 2.Rf5#
- 1...Se2
- 2.Rf5#
- 1...Se4
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...Sc7
- 2.Bb6#
- 1...f2!
- 1...Bxb5
- 1.Kh3?
- Keys
- 1.Sd6!
- 1...Bxb7
- 2.S6xb7#
- 1...Rc1
- 2.Bxb4#
- 1...Rc2
- 2.Bxb4#
- 1...Rc3
- 2.Bxb4#
- 1...Bb5
- 2.Rxb5#
- 1...Sf1
- 2.Se4#
- 1...Sh1
- 2.Se4#
- 1...Se2
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sf5
- 2.Se4#
- 1...Sh5
- 2.Se4#
- 1...Sb6
- 2.Bxb6#
- 1...Sc7
- 2.Bb6#
- 1...Bxb7
- 1.Sd6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD::QAB1(B),XR(f)
- B(j);OGATE,XS(E)::R1(H),XB(j)
- B(j);XR(H)::S(I),XB(j)
- S(c);N_GUARD::R(G)
- S(c);N_GUARD::R(G),XS(c)
- S(l);N_GUARD::B(D),XS(l)
- S(l);N_GUARD::B(D)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- B(j);OGATE,XS(E)::R1(H),XB(j)
- B(j);XR(H)::S(I),XB(j)
- R(e);N_GUARD::QAB1(B),XR(f)
- S(c);N_GUARD::R(G)
- S(c);N_GUARD::R(G),XS(c)
- S(l);N_GUARD::B(D),XS(l)
- S(l);N_GUARD::B(D)
- Refutation
- P(i);CHECK
- Try
- K(C);P-FLIGHT,XP(i)
- Vars
- B(j);OGATE,XS(E)::R1(H),XB(j)
- B(j);XR(H)::S(I),XB(j)
- R(e);N_GUARD::QAB1(B),XR(f)
- S(c);N_GUARD::R(G)
- S(c);N_GUARD::R(G),XS(c)
- S(l);N_GUARD::B(D),XS(l)
- S(l);N_GUARD::B(D)
- Refutation
- S(c);CHECK
- Try
- B(D);
- Threat
- B(D)
- Vars
- B(j);XR(H)::S(I),XB(j)
- R(e);N_GUARD::QAB1(B),XR(f)
- S(c);N_GUARD::R(G)
- S(c);N_GUARD::R(G),XS(c)
- Refutation
- S(l);XB(D)
- Try
- R(G);
- Threat
- R1(G)
- Vars
- R(e);N_GUARD::QAB1(B),XR(f)
- S(l);N_GUARD::B(D),XS(l)
- S(l);N_GUARD::B(D)
- Refutation
- P(k);CHECK
- Try
- R(H);
- Vars
- R(e);N_GUARD::QAB1(B),XR(f)
- S(l);N_GUARD::B(D),XS(l)
- B(j);N_GUARD::S(I),XB(j)
- S(c);N_GUARD::R(G)
- S(c);N_GUARD::R(G),XS(c)
- S(l);N_GUARD::B(D)
- Refutation
- B(j);CHECK
- Try
- Q(B);
- Vars
- B(j);OGATE,XS(E)::R1(H),XB(j)
- B(j);XR(H)::S(I),XB(j)
- R(e);N_GUARD::QAB1(B),XR(f)
- S(l);N_GUARD::B(D),XS(l)
- S(c);N_GUARD::R(G)
- S(c);N_GUARD::R(G),XS(c)
- S(l);N_GUARD::B(D)
- Refutation
- P(b);N_SPINR(f)
- Try
- Actual
- S(E);
- Vars
- B(j);XR(H)::S(E),XB(j)
- R(e);N_GUARD::B(D),XP(d)
- B(j);N_GUARD::R1(H),XB(j)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- S(l);N_GUARD::B(D),XS(l)
- S(l);N_GUARD::B(D)
Developed and maintained by Brian Stephenson.
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