MESON Chess Problem Database
Problem Display
PID: 18112 (b3Q3/5p2/3B4/7r/P2k4/2N1p3/4B3/K1R5 w - - 0 1)
Jorgensen, Walther Martinus Johannes
2nd Prize, Problemschack, 1953
#2
7 + 5
| 3105 | FIDE Album (1945-1955) | 1964 |
| 15593 | 170 Skakopgaver (Jorgensen) | 1975 |
| 5395 | Schach fur Nussknacker | 1994 |
| 3310 | 2345 Chess Problems | 1997 |
| 56 | The Problemist | 2011 |
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qe5#
- 1...Rh2
- 2.Qe5#
- 1...Rh3
- 2.Qe5#
- 1...Rh4
- 2.Qe5#
- 1...Rd5
- 2.Qe4#
- 1...Re5
- 2.Qxe5#
- 1...Rh6
- 2.Qe5#
- 1...Rh7
- 2.Qe5#
- 1...Rh8
- 2.Qe5#
- 1...Be4
- 2.Qxe4#
- 1...Bd5
- 2.Sb5#
- 1...f5
- 2.Qe5#
- 1...Rh1
- Tries
- 1.Kb2?
- threat
- 2.Rd1#
- 1...Rh1
- 2.Qe5#
- 1...Be4
- 2.Qxe4#
- 1...Rb5+!
- threat
- 1.Sb1?
- threat
- 2.Rd1#
- 1...Kd5
- 2.Rd1#
- 1...Re5
- 2.Qxe5#
- 1...Rh1
- 2.Qe5#
- 1...Be4!
- threat
- 1.Sa2?
- threat
- 2.Rd1#
- 1...Kd5
- 2.Rd1#
- 1...Re5
- 2.Qxe5#
- 1...Rh1
- 2.Qe5#
- 1...Be4!
- threat
- 1.Se4?
- threat
- 2.Rd1#
- 1...Kd5
- 2.Rd1#
- 1...Re5
- 2.Qxe5#
- 1...Rh1
- 2.Qe5#
- 1...Bxe4!
- threat
- 1.Sb5+?
- 1...Kd5
- 2.Bf3#
- 2.Bc4#
- 2.Rd1#
- 2.Rc5#
- 1...Rxb5!
- 1...Kd5
- 1.Bb4?
- threat
- 2.Rd1#
- 1...Be4
- 2.Qxe4#
- 1...Rh1!
- threat
- 1.Be5+?
- 1...Kc5
- 2.Qb5#
- 1...Rxe5!
- 1...Kc5
- 1.Qb5?
- threat
- 2.Qd3#
- 2.Qc4#
- 2.Qb4#
- 1...Rc5
- 2.Qd3#
- 2.Qxc5#
- 1...Be4
- 2.Qc4#
- 2.Qb4#
- 1...Bd5
- 2.Qd3#
- 2.Qc5#
- 2.Qb6#
- 1...Rxb5!
- threat
- 1.Qc6?
- threat
- 2.Rd1#
- 2.Qc4#
- 1...Rh1
- 2.Sb5#
- 2.Qc4#
- 2.Qc5#
- 2.Qb6#
- 1...Rc5
- 2.Qxc5#
- 1...Bxc6!
- threat
- 1.Qxf7?
- threat
- 2.Qc4#
- 1...Rd5
- 2.Qf4#
- 1...Bd5
- 2.Qa7#
- 1...Rc5!
- threat
- 1.Qxa8?
- threat
- 2.Qe4#
- 1...Rh4
- 2.Sb5#
- 2.Qd5#
- 2.Qa7#
- 1...Rd5
- 2.Qxd5#
- 1...f5
- 2.Sb5#
- 2.Qd5#
- 2.Qa7#
- 1...Re5!
- threat
- 1.Qc8?
- threat
- 2.Rd1#
- 2.Qc4#
- 1...Rh1
- 2.Qc4#
- 2.Qc5#
- 1...Rc5
- 2.Qxc5#
- 1...Be4
- 2.Qc4#
- 1...Bd5
- 2.Rd1#
- 2.Qc5#
- 1...Bc6!
- threat
- 1.Kb2?
- Keys
- 1.Sd5!
- threat
- 2.Rd1#
- 1...Kxd5
- 2.Rd1#
- 1...Rxd5
- 2.Rc4#
- 1...Bxd5
- 2.Bc5#
- 1...Re5
- 2.Qxe5#
- 1...Rh1
- 2.Qe5#
- threat
- 1.Sd5!
This anticipates 232846(1957)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- R(c);N_GUARD,P_PINR(B)::QAB1(G)
- R(c);N_GUARD::QAB1(G)
- R(c);S_CUTB(e)::QAR1(G)
- R(c);N_GUARD::QAB1(G),XR(c)
- B(e);N_GUARD::QAR1(G),XB(e)
- B(e);SBLOCK,S_CUTR(c)::S(D)
- P(d);S_CUTR(c)::QAB1(G)
- Tries
- Try
- K(A);S_FLIGHT
- Threat
- R(B)
- Vars
- R(c);N_GUARD::QAB1(G)
- B(e);N_GUARD::QAR1(G),XB(e)
- Refutation
- R(c);CHECK
- Try
- S(D);
- Threat
- R(B)
- Vars
- K(b);P-FLIGHT::R(B)
- R(c);N_GUARD::QAB1(G),XR(c)
- R(c);N_GUARD::QAB1(G)
- Refutation
- B(e);
- Try
- S(D);
- Threat
- R(B)
- Vars
- K(b);P-FLIGHT::R(B)
- R(c);N_GUARD::QAB1(G),XR(c)
- R(c);N_GUARD,P_PINR(B)::QAB1(G)
- Refutation
- B(e);
- Try
- S(D);
- Threat
- R(B)
- Vars
- K(b);P-FLIGHT::R(B)
- R(c);N_GUARD::QAB1(G),XR(c)
- R(c);N_GUARD,P_PINR(B)::QAB1(G)
- Refutation
- B(e);XS(D)
- Try
- S(D);CHECK
- Refutation
- R(c);XS(D)
- Try
- B(F);
- Threat
- R(B)
- Vars
- B(e);N_GUARD::QAR1(G),XB(e)
- Refutation
- R(c);P_PINR(B)
- Try
- B(F);CHECK
- Vars
- K(b);S_FLIGHT::QAR1(G)
- Refutation
- R(c);XB(F)
- Try
- Q(G);
- Threat
- DUALS(3)
- Refutation
- R(c);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD::QAB1(G),XR(c)
- Refutation
- B(e);XQ(G)
- Try
- Q(G);XP(d)
- Threat
- QAR1(G)
- Vars
- R(c);S_CUTB(e)::QAR2(G)
- B(e);S_CUTR(c)::QAB(G)
- Refutation
- R(c);
- Try
- Q(G);XB(e)
- Threat
- QAR1(G)
- Vars
- R(c);N_GUARD::QAR1(G),XR(c)
- Refutation
- R(c);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD::QAB1(G),XR(c)
- B(e);::QAR1(G)
- Refutation
- B(e);
- Try
- Actual
- S(D);
- Threat
- R(B)
- Vars
- K(b);P-FLIGHT,XS(D)::R(B)
- R(c);SBLOCK,XS(D)::R1(B)
- B(e);SBLOCK,XS(D)::B(F)
- R(c);N_GUARD::QAB1(G),XR(c)
- R(c);N_GUARD,P_PINR(B)::QAB1(G)
Developed and maintained by Brian Stephenson.
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