MESON Chess Problem Database
Problem Display
PID: 6468 (BB2Q3/6N1/3N1p1r/R7/3P1k1p/1r3P2/3PqPn1/1b4RK w - - 0 1)
Pimenov, Sergey Ivanovich
Umnov, Evgeny Ivanovich
1/2 Prize, Swiat Szachowy, 1929
#2
12 + 8
| 35 | L'Italia Scacchistica | 1930 |
| 785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1953 |
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
| 6455 | The Chessboard Adventures of Norman Macleod | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Se6#
- 1...Qf1
- 2.Se6#
- 1...Qd3
- 2.Se6#
- 1...Qb5
- 2.Se6#
- 1...Qa6
- 2.Se6#
- 1...Qxd2
- 2.Se6#
- 1...Qe6
- 2.Sxe6#
- 1...Rd3
- 2.Rf5#
- 1...Rh5
- 2.Sxh5#
- 1...Rg6
- 2.Sh5#
- 1...Ba2
- 2.Rf5#
- 1...Bf5
- 2.Rxf5#
- 1...Se1
- 2.Rg4#
- 1...Se3
- 2.Sb5#
- 2.Se6#
- 1...Qd1
- Tries
- 1.Se4+?
- 1...Rxb8
- 2.Rf5#
- 1...Kxf3!
- 1...Rxb8
- 1.Sb5+?
- 1...Kg5
- 2.Rxg2#
- 1...Qe5!
- 1...Kg5
- 1.Qh5?
- threat
- 2.Qg4#
- 2.Qxh6#
- 1...Qxf3
- 2.Sb5#
- 2.Se6#
- 1...Qxf2
- 2.Sb5#
- 2.Sb7#
- 2.Qg4#
- 1...Rxf3
- 2.Se4#
- 1...Rxh5
- 2.Sxh5#
- 1...Qe5
- 2.Qg4#
- 1...Qb5
- 2.Sxb5#
- 2.Se6#
- 2.Qg4#
- 1...Qe4
- 2.Qg4#
- 1...Qe6
- 2.Sxe6#
- 2.Qxh6#
- 1...Rb5
- 2.Qg4#
- 1...Rb7
- 2.Qg4#
- 1...Rh7
- 2.Qg4#
- 1...Rh8
- 2.Qg4#
- 1...Be4
- 2.Sb5#
- 2.Sb7#
- 2.Se6#
- 2.Qg4#
- 1...Bf5
- 2.Rxf5#
- 2.Qxf5#
- 2.Qxh6#
- 1...Se3
- 2.Sb5#
- 2.Sb7#
- 2.Se6#
- 2.Qxh6#
- 1...f5
- 2.Qxh6#
- 1...Rg6!
- threat
- 1.Qg6?
- threat
- 2.Qg4#
- 2.Qxh6#
- 1...Qxf3
- 2.Sb5#
- 2.Sb7#
- 2.Se6#
- 1...Qxf2
- 2.Sb5#
- 2.Se6#
- 2.Qg4#
- 1...Rxf3
- 2.Se4#
- 1...Rxg6
- 2.Sh5#
- 1...Qe4
- 2.Qg4#
- 1...Rb7
- 2.Qg4#
- 1...Be4
- 2.Qg4#
- 1...Qe5
- 2.Qg4#
- 1...Qb5
- 2.Sxb5#
- 2.Se6#
- 2.Qg4#
- 1...Qe6
- 2.Sxe6#
- 2.Qxh6#
- 1...Rb5
- 2.Qg4#
- 1...Rh5
- 2.Sxh5#
- 2.Qg4#
- 1...Rh7
- 2.Qg4#
- 1...Rh8
- 2.Qg4#
- 1...Bf5
- 2.Rxf5#
- 2.Qxf5#
- 2.Qxh6#
- 1...Se3
- 2.Sb5#
- 2.Se6#
- 2.Qxh6#
- 1...f5
- 2.Qxh6#
- 1...Bxg6!
- threat
- 1.Qxe2?
- threat
- 2.Sb7#
- 2.Se6#
- 1...Rxf3
- 2.Qxf3#
- 1...Rxb8
- 2.Se6#
- 1...Rb5
- 2.Se6#
- 1...Bf5
- 2.Rxf5#
- 1...Rc3
- 2.Sc4#
- 2.Se6#
- 1...Re3
- 2.Se4#
- 1...Rb6
- 2.Se6#
- 1...Rb7
- 2.Sxb7#
- 2.Se6#
- 1...Rh5
- 2.Sxh5#
- 2.Se6#
- 1...Rh8
- 2.Se6#
- 1...f5!
- threat
- 1.Se4+?
- Keys
- 1.Qe6!
- threat
- 2.Qg4#
- 1...Qxf3
- 2.Sb7#
- 1...Qxe6
- 2.Sxe6#
- 1...Rxf3
- 2.Se4#
- 1...Bf5
- 2.Rxf5#
- 2.Qxf5#
- 1...f5
- 2.Qxh6#
- 1...Rg6
- 2.Sh5#
- 1...Se3
- 2.Sb5#
- threat
- 1.Qe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 11
- Sets
- Q(b);N_GUARD,P_PINR(A)::S(I)
- Q(b);N_GUARD::S(I)
- Q(b);N_GUARD,XP(C)::S(I)
- Q(b);N_GUARD::S(I),XQ(b)
- R(d);S_CUTB(a)::R1(G)
- R(h);N_GUARD::S(I),XR(h)
- R(h);N_GUARD::S(I)
- B(a);N_GUARD::R1(G)
- B(a);N_GUARD::R1(G),XB(a)
- S(c);OGATE::R1(A)
- Tries
- Try
- S(H);CHECK
- Vars
- R(d);XB(K)::R1(G)
- Refutation
- K(e);P-FLIGHT,XP(E)
- Try
- S(H);CHECK
- Vars
- K(e);P_SPINS(c),S_FLIGHT::R(A),XS(c)
- Refutation
- Q(b);P_SPINQ(b)
- Try
- Q(L);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD,XP(E)::B(K)+S(H)
- R(h);XQ(L)::S(I),XR(h)
- Q(b);::QAR1(L)
- R(d);::QAR1(L)
- R(h);::QAR1(L)
- P(g);::QAB(L),XR(h)
- Refutation
- R(h);
- Try
- Q(L);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD,SBLOCK,XP(E)::B(K)+S(H)
- R(h);N_GUARD,XQ(L)::S(I)
- Q(b);::QAR1(L)
- R(d);::QAR1(L)
- B(a);::QAR1(L)
- R(h);::QAR1(L)
- P(g);::QAB(L),XR(h)
- Refutation
- B(a);XQ(L)
- Try
- Q(L);XQ(b)
- Threat
- DUALS(2)
- Vars
- R(d);OGATE,XP(E)::QAR1(L),XR(d)
- R(d);XB(K)::S(I)
- R(d);::S(I)
- B(a);N_GUARD::R1(G),XB(a)
- R(d);N_GUARD::B(K)+S(H)
- R(h);::S(I)
- Refutation
- P(g);
- Try
- Actual
- Q(L);
- Threat
- QAR1(L)
- Vars
- Q(b);N_GUARD,SBLOCK,XP(E)::B(K)+S(H)
- Q(b);XQ(L)::S(I),XQ(b)
- R(d);N_GUARD,SBLOCK,XP(E)::B(K)+S(H)
- P(g);OGATE::QAB(L),XR(h)
- R(h);N_GUARD::S(I)
- S(c);S_CUTQ(b)::B(K)+S(H)
Developed and maintained by Brian Stephenson.
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