MESON Chess Problem Database
Problem Display
PID: 74292 (8/1pQKp3/4P3/N1pkpp2/4p2R/1n1P1R2/b1P1n3/q3rN2 w - - 0 1)
Buchwald, Julius
American Chess Bulletin, 1951
#2
9 + 12
| 5759 | Selected Compositions of Julius Buchwald | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Qd4
- 2.Qxb7#
- 1...Sed4
- 2.c4#
- 1...Sbd4
- 2.Se3#
- 1...exd3
- 2.Se3#
- 2.Qxb7#
- 2.c4#
- 1...exf3
- 2.Se3#
- 2.Qxb7#
- 2.c4#
- 1...e3
- 2.Sxe3#
- 2.Qxb7#
- 2.c4#
- 1...c4
- 2.Qxc4#
- 1...Qd4
- Tries
- 1.Kxe7?
- threat
- 2.Qd6#
- 2.Qd8#
- 2.Qd7#
- 1...Sxa5
- 2.Qd6#
- 2.Qd7#
- 1...c4
- 2.Qd6#
- 2.Qxc4#
- 1...Kd4!
- threat
- 1.Sxb3?
- threat
- 2.Se3#
- 2.Qxc5#
- 2.Qxb7#
- 2.c4#
- 1...Rxf1
- 2.Qxc5#
- 2.Qxb7#
- 2.c4#
- 1...Qc3
- 2.Se3#
- 2.Qxb7#
- 1...Qd4
- 2.Qxb7#
- 1...Qc1
- 2.Qxc5#
- 2.Qxb7#
- 1...Rc1
- 2.Se3#
- 2.Qxc5#
- 2.Qxb7#
- 1...Sc1
- 2.Qxc5#
- 2.Qxb7#
- 2.c4#
- 1...Sg1
- 2.Qxc5#
- 2.Qxb7#
- 2.c4#
- 1...Sc3
- 2.Qxc5#
- 2.Qxb7#
- 1...Sg3
- 2.Qxc5#
- 2.Qxb7#
- 2.c4#
- 1...Sd4
- 2.Qxc5#
- 2.c4#
- 1...Sf4
- 2.Qxc5#
- 2.Qxb7#
- 2.c4#
- 1...e3
- 2.Sxe3#
- 2.Qxc5#
- 2.Qxb7#
- 2.c4#
- 1...c4
- 2.Se3#
- 2.Qxc4#
- 2.Qc5#
- 2.Qxb7#
- 2.dxc4#
- 1...f4
- 2.Qxc5#
- 2.Qxb7#
- 2.c4#
- 1...b5
- 2.Se3#
- 2.Qxc5#
- 2.Qc6#
- 2.Qb7#
- 1...b6
- 2.Se3#
- 2.Qc6#
- 2.Qb7#
- 2.c4#
- 1...Bxb3!
- threat
- 1.Rxe4?
- threat
- 2.Se3#
- 2.Qxb7#
- 2.c4#
- 1...Rxf1
- 2.Qxb7#
- 2.c4#
- 1...Sxa5
- 2.Se3#
- 1...Qc3
- 2.Se3#
- 2.Qxb7#
- 1...Qd4
- 2.Qxb7#
- 1...Qc1
- 2.Qxe5#
- 2.Qxb7#
- 1...Rc1
- 2.Se3#
- 2.Qxb7#
- 1...Sec1
- 2.Qxb7#
- 2.c4#
- 1...Sg1
- 2.Qxb7#
- 2.c4#
- 1...Sc3
- 2.Qxe5#
- 2.Qxb7#
- 1...Sg3
- 2.Qxb7#
- 2.c4#
- 1...Sed4
- 2.Qxe5#
- 2.c4#
- 1...Sf4
- 2.Qxb7#
- 2.c4#
- 1...Sbc1
- 2.Se3#
- 2.Qxb7#
- 1...Sd2
- 2.Se3#
- 2.Qxb7#
- 1...Sbd4
- 2.Se3#
- 2.Rxe5#
- 2.Qxe5#
- 1...c4
- 2.Se3#
- 2.Qxc4#
- 1...f4
- 2.Qxb7#
- 2.c4#
- 1...b5
- 2.Se3#
- 2.Qc6#
- 2.Qb7#
- 1...b6
- 2.Se3#
- 2.Qc6#
- 2.Qb7#
- 2.c4#
- 1...fxe4!
- threat
- 1.dxe4+?
- 1...Kd4
- 2.Rd3#
- 1...fxe4!
- 1...Kd4
- 1.Kxe7?
- Keys
- 1.d4!
- threat
- 2.Qxe5#
- 1...Kxd4
- 2.Rd3#
- 1...Qxd4
- 2.Qxb7#
- 1...Sexd4
- 2.c4#
- 1...Sbxd4
- 2.Se3#
- 1...Sxa5
- 2.Qxc5#
- 1...cxd4
- 2.Qc4#
- 1...exd4
- 2.Rxf5#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- Q(a);SBLOCK::QAB(H),XP(k)
- S(d);SBLOCK::P(B)
- S(e);SBLOCK::S(A)
- P(g);OGATE::QAB1(H),XP(g)
- Tries
- Try
- K(I);P-FLIGHT,XP(l)
- Threat
- DUALS(3)
- Refutation
- K(h);P-FLIGHT,P_SPINP(f)
- Try
- S(F);XS(e)
- Threat
- DUALS(4)
- Vars
- Q(a);::QAB(H),XP(k)
- Refutation
- B(c);XS(F)
- Try
- R(E);XP(f)
- Threat
- DUALS(3)
- Vars
- S(e);XS(F)::S(A)
- Q(a);::QAB(H),XP(k)
- Refutation
- P(j);XR(E)
- Try
- P(C);CHECK,XP(f)
- Vars
- K(h);P-FLIGHT::R1(D)
- Refutation
- P(j);XP(C)
- Try
- Actual
- P(C);
- Threat
- QAR1(H),XP(i)
- Vars
- K(h);OGATEB,P-FLIGHT,P_SPINP(f),XP(C)::R1(D)
- Q(a);SBLOCK,XP(C)::QAB(H),XP(k)
- S(d);SBLOCK,XP(C)::P(B)
- S(e);SBLOCK,XP(C)::S(A)
- S(e);N_GUARD,XS(F)::QAR1(H),XP(g)
- P(g);OGATE,XP(C)::QAB1(H)
- P(i);OGATEB,SBLOCK,XP(C)::R(D),XP(j)
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