MESON Chess Problem Database
Problem Display
PID: 29870 (1KnB4/8/2pkB2R/2R1p3/6p1/1NQ3b1/5n2/7q w - - 0 1)
Wurzburg, Otto
Chess Correspondent, 1943
#2
7 + 8
| 5064 | 100 Years of the American Two-move Chess Problem | 1962 |
| 5065 | Chess Problem Gems by Eight Eminent American Composers | 1972 |
| 3325 | Wurzburg Artistry | 1974 |
SOLUTION
- SOUND
- Sets
- 1...Qg2
- 2.Bxg4#
- 2.Bf5#
- 2.Bxc8#
- 1...Qf3
- 2.Bf5#
- 1...Qe4
- 2.Bf5#
- 1...Qa1
- 2.Bxg4#
- 2.Bf5#
- 2.Bxc8#
- 2.Rxc6#
- 1...Qb1
- 2.Bf5#
- 2.Rxc6#
- 1...Qc1
- 2.Rxc6#
- 1...Qd1
- 2.Bxg4#
- 2.Bf5#
- 2.Bxc8#
- 2.Rxc6#
- 1...Qe1
- 2.Bxg4#
- 2.Bf5#
- 2.Bxc8#
- 2.Rxc6#
- 1...Qf1
- 2.Bxg4#
- 2.Bf5#
- 2.Bxc8#
- 2.Rxc6#
- 1...Qg1
- 2.Bxg4#
- 2.Bf5#
- 2.Bxc8#
- 2.Rxc6#
- 1...Qh2
- 2.Rxc6#
- 1...Qh3
- 2.Rxc6#
- 1...Qh4
- 2.Rxc6#
- 1...Qh5
- 2.Rxc6#
- 1...Qxh6
- 2.Rxc6#
- 1...Bh2
- 2.Bxg4#
- 2.Bf5#
- 2.Bxc8#
- 1...Bh4
- 2.Qxe5#
- 1...Sh3
- 2.Bxg4#
- 2.Bf5#
- 2.Bxc8#
- 1...Se4
- 2.Rxc6#
- 2.Qd3#
- 1...Se7
- 2.Bc7#
- 1...e4
- 2.Rxc6#
- 2.Qd4#
- 2.Qxg3#
- 1...Qg2
- Tries
- 1.Sa5?
- threat
- 2.Sb7#
- 1...Qxh6
- 2.Rxc6#
- 1...Qb1+!
- threat
- 1.Rd5+?
- 1...cxd5
- 2.Qc5#
- 2.Qc7#
- 1...Qxd5!
- 1...cxd5
- 1.Rf6?
- threat
- 2.Bxg4#
- 2.Bf5#
- 2.Bxc8#
- 1...Qf3
- 2.Bf5#
- 1...Qh4
- 2.Rxc6#
- 1...Qh6
- 2.Rxc6#
- 1...Qh8
- 2.Rxc6#
- 1...Bh4
- 2.Qxe5#
- 1...Se4
- 2.Rxc6#
- 2.Qd3#
- 1...Sb6
- 2.Bxg4#
- 2.Bf5#
- 2.Bc8#
- 1...Sa7
- 2.Bxg4#
- 2.Bf5#
- 2.Bc8#
- 1...Se7
- 2.Bxg4#
- 2.Bf5#
- 2.Bc8#
- 2.Bc7#
- 1...Qd5!
- threat
- 1.Rg6?
- threat
- 2.Bxg4#
- 2.Bf5#
- 2.Bxc8#
- 1...Qf3
- 2.Bf5#
- 1...Qe4
- 2.Bf5#
- 1...Qb1
- 2.Bf5#
- 2.Rxc6#
- 1...Qh4
- 2.Rxc6#
- 1...Qh5
- 2.Rxc6#
- 1...Qh6
- 2.Rxc6#
- 1...Qh7
- 2.Rxc6#
- 1...Qh8
- 2.Rxc6#
- 1...Bh4
- 2.Qxe5#
- 1...Se4
- 2.Rxc6#
- 2.Qd3#
- 1...Sb6
- 2.Bxg4#
- 2.Bf5#
- 2.Bc8#
- 1...Sa7
- 2.Bxg4#
- 2.Bf5#
- 2.Bc8#
- 1...Se7
- 2.Bc7#
- 1...Qd5!
- threat
- 1.Qd2+?
- 1...Qd5
- 2.Bxg4#
- 2.Bf5#
- 2.Bxc8#
- 1...Sd3!
- 1...Qd5
- 1.Qb4?
- threat
- 2.Rd5#
- 1...Qd5
- 2.Rxd5#
- 1...Qxh6!
- threat
- 1.Qd4+?
- 1...Qd5
- 2.Bxg4#
- 2.Bf5#
- 2.Bxc8#
- 1...exd4!
- 1...Qd5
- 1.Qd3+?
- 1...Qd5
- 2.Bxg4#
- 2.Bf5#
- 2.Bxc8#
- 1...Sxd3!
- 1...Qd5
- 1.Sa5?
- Keys
- 1.Qf3!
- threat
- 2.Rxc6#
- 1...Qxf3
- 2.Bf5#
- 1...gxf3
- 2.Bh3#
- 1...Qc1
- 2.Qxc6#
- 1...Se4
- 2.Qd3#
- 1...Sa7
- 2.Qf8#
- 1...Se7
- 2.Bc7#
- 1...e4
- 2.Qxg3#
- threat
- 1.Qf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- Q(a);N_GUARD::R(E)+B(D)
- Q(a);N_GUARD::R1(C),XP(f)
- Q(a);N_GUARD,XR(E)::R1(C),XP(f)
- B(c);N_GUARD::QAB1(B),XP(e)
- S(h);SBLOCK::B(G)
- Tries
- Try
- S(A);
- Threat
- S(A)
- Vars
- Q(a);N_GUARD,XR(E)::R1(C),XP(f)
- Refutation
- Q(a);CHECK
- Try
- R(C);CHECK
- Refutation
- Q(a);XR(C)
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- Q(a);::R(E)+B(D)
- Q(a);N_GUARD::R1(C),XP(f)
- B(c);N_GUARD::QAB1(B),XP(e)
- Refutation
- Q(a);
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- Q(a);::R(E)+B(D)
- Q(a);N_GUARD::R1(C),XP(f)
- B(c);N_GUARD::QAB1(B),XP(e)
- S(h);SBLOCK::B(G)
- Refutation
- Q(a);
- Try
- Q(B);CHECK
- Refutation
- S(b);P_SPINS(b)
- Try
- Q(B);
- Threat
- QAB(B)+R(C),DCHECK
- Vars
- Q(a);::QAB(B)+R(C),DCHECK,XQ(a)
- Refutation
- Q(a);XR(E)
- Try
- Q(B);CHECK
- Refutation
- P(e);XQ(B)
- Try
- Q(B);CHECK
- Refutation
- S(b);XQ(B)
- Try
- Actual
- Q(B);
- Threat
- R1(C),XP(f)
- Vars
- Q(a);N_GUARD,XQ(B)::R(E)+B(D)
- P(d);OGATE,XQ(B)::R(E)+B(D)
- Q(a);N_GUARD::QAR1(B),XP(f)
- S(b);N_GUARD,S_CUTQ(a)::QAR(B)
- S(h);N_GUARD::QAB(B)
- S(h);SBLOCK::B(G)
- P(e);OGATEB::QAB(B),XB(c)
Developed and maintained by Brian Stephenson.
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