MESON Chess Problem Database
Problem Display
PID: 96902 (2R3n1/BpN1p2r/7p/4pb2/2k2p2/KpN5/1P1RPp2/2Q4q w - - 0 1)
Wielgos, Oskar
Problemnoter, 1963
#2
9 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qg2
- 2.Se4#
- 1...Qe4
- 2.Sxe4#
- 1...Qd5
- 2.Se4#
- 1...Qc6
- 2.Se4#
- 1...Qxc1
- 2.Se6#
- 1...Qd1
- 2.Se6#
- 1...Qe1
- 2.Se6#
- 1...Qf1
- 2.Se6#
- 1...Qg1
- 2.Se6#
- 1...Qh2
- 2.Se4#
- 2.Se6#
- 1...Qh3
- 2.Se6#
- 1...Qh4
- 2.Se4#
- 2.Se6#
- 1...Qh5
- 2.Se4#
- 2.Se6#
- 1...Bb1
- 2.S7d5#
- 1...Bc2
- 2.S7d5#
- 1...Bd3
- 2.S7d5#
- 2.exd3#
- 1...Bh3
- 2.Sd1#
- 1...Be4
- 2.S7d5#
- 1...Bg4
- 2.Sd1#
- 1...Be6
- 2.Sd1#
- 1...Bg6
- 2.S7d5#
- 1...Bd7
- 2.Sd1#
- 1...Bxc8
- 2.Sd1#
- 1...f1S
- 2.Se4#
- 1...f1B
- 2.Se4#
- 1...f3
- 2.Se6#
- 1...e4
- 2.Sd1#
- 2.Se6#
- 2.Rd4#
- 1...Qg2
- Tries
- 1.Rd1?
- threat
- 2.Se4#
- 1...Qxd1
- 2.Se6#
- 1...Bc2
- 2.S7d5#
- 1...Qe4
- 2.Sxe4#
- 1...Qe1
- 2.Se6#
- 1...Qh3
- 2.Se6#
- 1...Bb1
- 2.Sxb1#
- 2.S7d5#
- 1...Bd3
- 2.S7d5#
- 2.exd3#
- 1...Be4
- 2.Sxe4#
- 2.S7d5#
- 1...e4
- 2.Sb1#
- 2.Sa2#
- 2.Sa4#
- 2.Sxe4#
- 2.S3b5#
- 2.S3d5#
- 2.Se6#
- 2.Rd4#
- 1...Qf3!
- threat
- 1.Rd5?
- threat
- 2.Se6#
- 1...Qxd5
- 2.Se4#
- 1...Bxc8
- 2.Sd1#
- 1...Be6
- 2.Sd1#
- 2.Sxe6#
- 1...Bd7
- 2.Sd1#
- 1...e6!
- threat
- 1.Rd7?
- threat
- 2.S7d5#
- 1...Bxd7
- 2.Sd1#
- 1...Qd5
- 2.Se4#
- 2.S7xd5#
- 1...Qc6
- 2.Se4#
- 1...b6!
- threat
- 1.Qd1?
- threat
- 2.Qxb3#
- 1...Qxd1
- 2.Se6#
- 1...Bc2
- 2.S7d5#
- 1...b6!
- threat
- 1.Qxh1?
- threat
- 2.Se6#
- 2.Qd5#
- 1...Bxc8
- 2.Qe4#
- 2.Qd5#
- 1...Be4
- 2.S7d5#
- 2.Qxe4#
- 1...Be6
- 2.Sxe6#
- 2.Qe4#
- 1...Bd7
- 2.Qe4#
- 2.Qd5#
- 1...Sf6
- 2.Se6#
- 1...f3
- 2.Se6#
- 1...e4
- 2.Se6#
- 2.Rd4#
- 1...e6!
- threat
- 1.e4?
- threat
- 2.Sd1#
- 2.Se6#
- 1...Qxe4
- 2.Sxe4#
- 1...Qxc1
- 2.Se6#
- 1...Bxe4
- 2.S7d5#
- 1...Bxc8
- 2.Sd1#
- 1...Qf3
- 2.Se6#
- 1...Qd1
- 2.Sxd1#
- 2.Se6#
- 1...Qh3
- 2.Se6#
- 1...Be6
- 2.Sd1#
- 2.Sxe6#
- 1...Bd7
- 2.Sd1#
- 1...e6
- 2.Sd1#
- 1...fxe4 ep!
- threat
- 1.Rd1?
- Keys
- 1.Rd3!
- threat
- 2.Sd1#
- 1...Qxc1
- 2.Se6#
- 1...Bxd3
- 2.S7d5#
- 1...Qd1
- 2.Sxd1#
- 2.Se6#
- 1...Qe1
- 2.Se6#
- threat
- 1.Rd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 20
- Sets
- Q(a);N_GUARD::QAR(A)+S(F)
- Q(a);N_GUARD::QAR(A)+S(F),XQ(a)
- Q(a);N_GUARD,P_PINP(B),XQ(A)::R(I)+S(H)
- Q(a);N_GUARD::R(I)+S(H)
- B(g);N_GUARD::R(I)+S(H)
- B(g);N_GUARD::QAR(A)+S(F)
- B(g);N_GUARD,XR(I)::QAR(A)+S(F)
- P(b);S_CUTQ(a)::QAR(A)+S(F)
- P(e);S_CUTQ(a)::R(I)+S(H)
- Tries
- Try
- R(C);
- Threat
- QAR(A)+S(F)
- Vars
- Q(a);N_GUARD,XR(C)::R(I)+S(H)
- B(g);N_GUARD::R(I)+S(H)
- Q(a);::QAR(A)+S(F),XQ(a)
- Q(a);N_GUARD::R(I)+S(H)
- Refutation
- Q(a);
- Try
- R(C);
- Threat
- R(I)+S(H)
- Vars
- Q(a);N_GUARD,XR(C)::QAR(A)+S(F)
- B(g);N_GUARD,XR(I)::QAR(A)+S(F)
- B(g);N_GUARD::QAR(A)+S(F)
- Refutation
- P(j);
- Try
- R(C);
- Threat
- R(I)+S(H)
- Vars
- B(g);N_GUARD,XR(C)::QAR(A)+S(F)
- Q(a);N_GUARD::QAR(A)+S(F)
- Refutation
- P(i);
- Try
- Q(A);
- Threat
- QAB1(A),XP(c)
- Vars
- Q(a);N_GUARD,XQ(A)::R(I)+S(H)
- B(g);N_GUARD::R(I)+S(H)
- Refutation
- P(i);
- Try
- Q(A);XQ(a)
- Threat
- DUALS(2)
- Vars
- S(l);::R(I)+S(H)
- P(e);::R(I)+S(H)
- Refutation
- P(j);
- Try
- P(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(D)::QAR(A)+S(F),XQ(a)
- Q(a);P_PINP(B),XQ(A)::R(I)+S(H)
- B(g);N_GUARD,XP(D)::R(I)+S(H)
- B(g);XR(I)::QAR(A)+S(F)
- Q(a);::R(I)+S(H)
- B(g);::QAR(A)+S(F)
- P(j);::QAR(A)+S(F)
- Refutation
- P(e);EP,XP(D)
- Try
- Actual
- R(C);
- Threat
- QAR(A)+S(F)
- Vars
- Q(a);N_GUARD,P_PINP(B),XQ(A)::R(I)+S(H)
- B(g);N_GUARD,XR(C)::R(I)+S(H)
- Q(a);N_GUARD::R(I)+S(H)
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