MESON Chess Problem Database
Problem Display
PID: 92072 (qbb5/7r/6Q1/1BP5/1N2p2r/1PP1k1B1/1PK1PN2/3R4 w - - 0 1)
Wielgos, Oskar
Schach-Echo, 1963
#2
12 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qd5
- 2.Sxd5#
- 1...Qa1
- 2.Sd5#
- 1...Qa2
- 2.Sd5#
- 1...Qa3
- 2.Sd5#
- 1...Qa4
- 2.Sd5#
- 1...Qa5
- 2.Sd5#
- 1...Qa6
- 2.Sd5#
- 1...Qa7
- 2.Sd5#
- 1...Rb7
- 2.Sd5#
- 1...Bxg3
- 2.Qxg3#
- 1...Qd5
- Tries
- 1.Kc1?
- threat
- 2.Sc2#
- 1...Bxg3
- 2.Qxg3#
- 1...Qa1+!
- threat
- 1.Re1?
- threat
- 2.Sd1#
- 1...Bxg3
- 2.Qxg3#
- 1...Qd5
- 2.Sxd5#
- 1...Qa1
- 2.Sd5#
- 1...Rd7!
- threat
- 1.Rf1?
- threat
- 2.Sd1#
- 1...Qd5
- 2.Sxd5#
- 1...Qa1
- 2.Sd5#
- 1...Rd7!
- threat
- 1.Rg1?
- threat
- 2.Sd1#
- 1...Bxg3
- 2.Qxg3#
- 1...Qd5
- 2.Sxd5#
- 1...Qa1
- 2.Sd5#
- 1...Rd7!
- threat
- 1.Rd2?
- threat
- 2.Sd1#
- 1...Bxg3
- 2.Qxg3#
- 1...Qa1
- 2.Sd5#
- 1...Rh1!
- threat
- 1.Rd3+?
- 1...exd3+
- 2.Qxd3#
- 1...Kxe2!
- 1...exd3+
- 1.Rd4?
- threat
- 2.Sd1#
- 1...Bxg3
- 2.Qxg3#
- 1...Qa1
- 2.Sd5#
- 1...Rh1!
- threat
- 1.Rd5?
- threat
- 2.Sd1#
- 1...Qxd5
- 2.Sxd5#
- 1...Bxg3
- 2.Qxg3#
- 1...Rh1
- 2.Qxe4#
- 1...Qa1!
- threat
- 1.Rd7?
- threat
- 2.Sd1#
- 1...Bxg3
- 2.Qxg3#
- 1...Qd5
- 2.Sxd5#
- 1...Qa1
- 2.Sd5#
- 1...Rh1
- 2.Sg4#
- 1...Rxd7!
- threat
- 1.Kc1?
- Keys
- 1.Rd6!
- threat
- 2.Sd1#
- 1...Qd5
- 2.Sxd5#
- 1...Qa1
- 2.Sd5#
- 1...Rh1
- 2.Qg5#
- threat
- 1.Rd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- Q(e);N_GUARD::S(I),XQ(e)
- Q(e);N_GUARD::S(I)
- Q(e);N_GUARD,P_PINP(B)::S(I)
- Q(e);N_GUARD,P_PINP(F)::S(I)
- R(d);S_CUTQ(e)::S(I)
- B(f);OGATE,XB(H)::QAR2(L),XB(f)
- Tries
- Try
- K(C);P-FLIGHT
- Threat
- S(I)
- Vars
- B(f);OGATE,XB(H)::QAR2(L),XB(f)
- Refutation
- Q(e);CHECK
- Try
- R(A);
- Threat
- S(E)
- Vars
- B(f);OGATE,XB(H)::QAR2(L),XB(f)
- Q(e);N_GUARD::S(I),XQ(e)
- Q(e);N_GUARD::S(I)
- Refutation
- R(d);
- Try
- R(A);
- Threat
- S(E)
- Vars
- Q(e);N_GUARD::S(I),XQ(e)
- Q(e);N_GUARD::S(I)
- Refutation
- R(d);
- Try
- R(A);
- Threat
- S(E)
- Vars
- B(f);OGATE,XB(H)::QAR2(L),XB(f)
- Q(e);N_GUARD::S(I),XQ(e)
- Q(e);N_GUARD::S(I)
- Refutation
- R(d);
- Try
- R(A);
- Threat
- S(E)
- Vars
- B(f);OGATE,XB(H)::QAR2(L),XB(f)
- Q(e);N_GUARD::S(I)
- Refutation
- R(c);
- Try
- R(A);CHECK
- Vars
- P(b);CHECK,OGATE,XR(A)::QAR1(L),XP(b)
- Refutation
- K(a);P-FLIGHT,XP(D)
- Try
- R(A);
- Threat
- S(E)
- Vars
- B(f);OGATE,XB(H)::QAR2(L),XB(f)
- Q(e);N_GUARD::S(I)
- Refutation
- R(c);
- Try
- R(A);
- Threat
- S(E)
- Vars
- Q(e);XR(A)::S(I),XQ(e)
- B(f);OGATE,XB(H)::QAR2(L),XB(f)
- R(c);N_GUARD::QAR1(L),XP(b)
- Refutation
- Q(e);
- Try
- R(A);
- Threat
- S(E)
- Vars
- B(f);OGATE,XB(H)::QAR2(L),XB(f)
- Q(e);N_GUARD::S(I),XQ(e)
- Q(e);N_GUARD::S(I)
- R(c);N_GUARD::S(E)
- Refutation
- R(d);XR(A)
- Try
- Actual
- R(A);
- Threat
- S(E)
- Vars
- Q(e);N_GUARD::S(I),XQ(e)
- Q(e);N_GUARD::S(I)
- R(c);N_GUARD::QAB(L)
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