MESON Chess Problem Database
Problem Display
PID: 271466 (4r3/8/2N1p1pR/1n2Pk2/1Kp2Pp1/3p2P1/4B3/7Q w - - 0 1)
Marchant, G
Sunday Referee, 1933
(First published on Sun Mar 26 1933)
#2
8 + 8
| 15239 | Valois Notebooks | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Rf8
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...Rh8
- 2.Se7#
- 1...Sa3
- 2.Sd4#
- 1...Sc3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sd6
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...dxe2
- 2.Qb1#
- 1...d2
- 2.Qb1#
- 1...c3
- 2.Bxd3#
- 1...g5
- 2.Rf6#
- 1...Re7
- Tries
- 1.Ka5?
- 1...dxe2
- 2.Qb1#
- 1...Re7
- 2.Sxe7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Rf8
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...Rh8
- 2.Se7#
- 1...Sa3
- 2.Sd4#
- 1...Sc3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sd6
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...d2
- 2.Qb1#
- 1...c3
- 2.Bxd3#
- 1...g5
- 2.Rf6#
- 1...Ra8+!
- 1...dxe2
- 1.Kxb5?
- threat
- 2.Sd4#
- 1...Rd8
- 2.Se7#
- 1...Rb8+!
- threat
- 1.Kc5?
- 1...dxe2
- 2.Qb1#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Rf8
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...Rh8
- 2.Se7#
- 1...Sa3
- 2.Sd4#
- 1...Sc3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sd6
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...d2
- 2.Qb1#
- 1...c3
- 2.Bxd3#
- 1...g5
- 2.Rf6#
- 1...Rc8!
- 1...dxe2
- 1.Bd1?
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Rf8
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...Rh8
- 2.Se7#
- 1...Sa3
- 2.Sd4#
- 1...Sc3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sd6
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...d2
- 2.Bc2#
- 1...g5
- 2.Rf6#
- 1...c3!
- 1...Re7
- 1.Bf1?
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Rf8
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...Rh8
- 2.Se7#
- 1...Sa3
- 2.Sd4#
- 1...Sc3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sd6
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...c3
- 2.Bxd3#
- 1...g5
- 2.Rf6#
- 1...d2!
- 1...Re7
- 1.Bf3?
- threat
- 2.Be4#
- 1...Sc3
- 2.Sd4#
- 1...Sd6
- 2.Sd4#
- 1...gxf3!
- threat
- 1.Rh2?
- 1...dxe2
- 2.Qb1#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Rf8
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...Rh8
- 2.Se7#
- 1...Sa3
- 2.Sd4#
- 1...Sc3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sd6
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...d2
- 2.Qb1#
- 1...c3
- 2.Bxd3#
- 1...g5!
- 1...dxe2
- 1.Rh4?
- threat
- 2.Bxg4#
- 1...dxe2
- 2.Qb1#
- 1...g5!
- threat
- 1.Rh5+?
- 1...g5
- 2.Rxg5#
- 1...gxh5!
- 1...g5
- 1.Rxg6?
- threat
- 2.Rg5#
- 2.Rf6#
- 1...Rf8
- 2.Se7#
- 2.Rg5#
- 1...Rg8
- 2.Se7#
- 2.Rf6#
- 1...Kxg6!
- threat
- 1.Rh7?
- threat
- 2.Rf7#
- 1...Re7
- 2.Sxe7#
- 1...Rf8
- 2.Se7#
- 1...Sd6
- 2.Sd4#
- 1...g5!
- threat
- 1.Ka5?
- Keys
- 1.Rh8!
- 1...Rxh8
- 2.Se7#
- 1...dxe2
- 2.Qb1#
- 1...g5
- 2.Qh7#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Rf8
- 2.Se7#
- 2.Rxf8#
- 1...Rg8
- 2.Se7#
- 1...Sa3
- 2.Sd4#
- 1...Sc3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sd6
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...d2
- 2.Qb1#
- 1...c3
- 2.Bxd3#
- 1...Rxh8
- 1.Rh8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(d);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- P(a);OGATEB,XB(B)::QAB(A)
- P(a);OGATEB::QAB(A)
- P(b);N_GUARD::B(B),XP(a)
- P(g);OGATE::R1(H)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- P(a);OGATEB,XB(B)::QAB(A)
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(d);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- P(a);OGATEB::QAB(A)
- P(b);N_GUARD::B(B),XP(a)
- P(g);OGATE::R1(H)
- Refutation
- R(h);CHECK
- Try
- K(D);P-FLIGHT,XS(d)
- Threat
- S(G)
- Vars
- R(h);N_GUARD::S(G)
- Refutation
- R(h);CHECK
- Try
- K(D);S_FLIGHT
- Vars
- P(a);OGATEB,XB(B)::QAB(A)
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(d);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- P(a);OGATEB::QAB(A)
- P(b);N_GUARD::B(B),XP(a)
- P(g);OGATE::R1(H)
- Refutation
- R(h);P_PINS(G)
- Try
- B(B);
- Vars
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(d);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- P(a);OGATEB::B(B)
- P(g);OGATE::R1(H)
- Refutation
- P(b);
- Try
- B(B);
- Vars
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(d);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- P(b);N_GUARD::B(B),XP(a)
- P(g);OGATE::R1(H)
- Refutation
- P(a);
- Try
- B(B);
- Threat
- B(B)
- Vars
- S(d);N_GUARD::S(G)
- Refutation
- P(c);XB(B)
- Try
- R(H);
- Vars
- P(a);OGATEB,XB(B)::QAB(A)
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(d);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- P(a);OGATEB::QAB(A)
- P(b);N_GUARD::B(B),XP(a)
- Refutation
- P(g);
- Try
- R(H);
- Threat
- B(B),XP(c)
- Vars
- P(a);OGATEB,XB(B)::QAB(A)
- Refutation
- P(g);
- Try
- R(H);CHECK
- Vars
- P(g);P_SPINP(g)::R1(H),XP(g)
- Refutation
- P(g);XR(H)
- Try
- R(H);XP(g)
- Threat
- DUALS(2)
- Refutation
- K(e);S_FLIGHT,XR(H)
- Try
- R(H);
- Threat
- R(H)
- Vars
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(d);N_GUARD::S(G)
- Refutation
- P(g);
- Try
- Actual
- R(H);
- Vars
- R(h);N_GUARD,XR(H)::S(G)
- P(a);OGATEB,XB(B)::QAB(A)
- P(g);OGATEB::QAB(A)
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(d);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- P(a);OGATEB::QAB(A)
- P(b);N_GUARD::B(B),XP(a)
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