MESON Chess Problem Database
Problem Display
PID: 85380 (r7/pR6/K1BP2b1/1Nk1pQ1r/1N4pb/PP6/6P1/2n5 w - - 0 1)
Muller, Dieter
Northwest Chess, 1976
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rh6
- 2.Qxe5#
- 1...Rh7
- 2.Qxe5#
- 1...Rhh8
- 2.Qxe5#
- 1...Bf2
- 2.Qxf2#
- 1...Bg5
- 2.Qxe5#
- 1...Bf6
- 2.Qf2#
- 1...Be7
- 2.Qf2#
- 1...Bd8
- 2.Qf2#
- 1...Be8
- 2.Qc2#
- 1...Rh6
- Tries
- 1.Bf3?
- threat
- 2.Rc7#
- 1...Rh7
- 2.Qxe5#
- 1...Rc8
- 2.Qxc8#
- 1...Be8
- 2.Qc2#
- 1...Bd8!
- threat
- 1.Be4?
- threat
- 2.Rc7#
- 1...Rh7
- 2.Qxe5#
- 1...Rc8
- 2.Qxc8#
- 1...Bd8
- 2.Qf2#
- 1...Be8!
- threat
- 1.Bd5?
- threat
- 2.Rc7#
- 1...Rc8
- 2.Qxc8#
- 1...Bd8
- 2.Qf2#
- 1...Be8
- 2.Qc2#
- 1...Rh7!
- threat
- 1.Bd7?
- threat
- 2.Rc7#
- 1...Bd8
- 2.Qf2#
- 1...Rc8!
- threat
- 1.Rc7?
- threat
- 2.Bf3#
- 2.Be4#
- 2.Bd5#
- 2.Bb7#
- 2.Bd7#
- 2.Bxa8#
- 2.Be8#
- 1...Rh7
- 2.Bd7#
- 2.Qxe5#
- 1...Rb8
- 2.Bf3#
- 2.Be4#
- 2.Bd5#
- 2.Bb7#
- 2.Bd7#
- 2.Ba8#
- 2.Be8#
- 1...Rd8
- 2.Bf3#
- 2.Be4#
- 2.Bd5#
- 2.Bb7#
- 2.Bd7#
- 2.Ba8#
- 2.Be8#
- 1...Re8
- 2.Bf3#
- 2.Be4#
- 2.Bd5#
- 2.Bb7#
- 2.Bd7#
- 2.Ba8#
- 2.Bxe8#
- 1...Rf8
- 2.Bf3#
- 2.Be4#
- 2.Bd5#
- 2.Bb7#
- 2.Bd7#
- 2.Ba8#
- 2.Be8#
- 1...Rg8
- 2.Bf3#
- 2.Be4#
- 2.Bd5#
- 2.Bb7#
- 2.Bd7#
- 2.Ba8#
- 2.Be8#
- 1...Rah8
- 2.Bf3#
- 2.Be4#
- 2.Bd5#
- 2.Bb7#
- 2.Bd7#
- 2.Ba8#
- 2.Be8#
- 1...Bd8
- 2.Qf2#
- 1...Be8
- 2.Bd7#
- 2.Bxe8#
- 2.Qc2#
- 1...Rc8!
- threat
- 1.Qe4?
- threat
- 2.Qd5#
- 2.Qe3#
- 2.Qc4#
- 1...Sxb3
- 2.Sd3#
- 2.Qd5#
- 1...Bf2
- 2.Qd5#
- 2.Qc4#
- 1...Bg5
- 2.Qd5#
- 2.Qc4#
- 2.Qxe5#
- 1...Bf7
- 2.Qe3#
- 1...Se2
- 2.Sd3#
- 2.Qd5#
- 2.Qc4#
- 1...Bxe4!
- threat
- 1.Qe6?
- threat
- 2.Qc4#
- 2.Qd5#
- 1...Sxb3
- 2.Qd5#
- 1...Bd3
- 2.Qd5#
- 1...Be4
- 2.Qc4#
- 1...e4
- 2.Qc4#
- 1...Bf7!
- threat
- 1.Qf3?
- threat
- 2.Qd5#
- 2.Qc3#
- 2.Qe3#
- 1...Sxb3
- 2.Qd5#
- 2.Qc3#
- 1...Be1
- 2.Qd5#
- 2.Qe3#
- 1...Bf2
- 2.Qd5#
- 2.Qxf2#
- 2.Qc3#
- 1...Bg5
- 2.Qd5#
- 2.Qc3#
- 1...Bd3
- 2.Qd5#
- 2.Qe3#
- 1...Be4
- 2.Qc3#
- 2.Qe3#
- 1...Bf7
- 2.Qe3#
- 1...Sa2
- 2.Qd5#
- 2.Qe3#
- 1...Se2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 2.Qe3#
- 1...e4
- 2.Qc3#
- 2.Qe3#
- 1...gxf3!
- threat
- 1.Qf7?
- threat
- 2.Qc4#
- 2.Qd5#
- 1...Sxb3
- 2.Qd5#
- 1...Bd3
- 2.Qd5#
- 1...Be4
- 2.Qc4#
- 1...e4
- 2.Qc4#
- 1...Bxf7!
- threat
- 1.Bf3?
- Keys
- 1.Be8!
- threat
- 2.Rc7#
- 1...Bxe8
- 2.Qc2#
- 1...Rh7
- 2.Qxe5#
- 1...Rc8
- 2.Qxc8#
- 1...Bd8
- 2.Qf2#
- threat
- 1.Be8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- R(f);N_GUARD::QAR2(F),XP(e)
- B(c);N_GUARD::QAB(F),XB(c)
- B(c);S_CUTR(f)::QAR2(F),XP(e)
- B(c);N_GUARD::QAB(F)
- B(g);N_GUARD::QAR(F)
- Tries
- Try
- B(H);
- Threat
- R(J)
- Vars
- R(f);N_GUARD::QAR2(F),XP(e)
- R(i);N_GUARD::QAR(F),XR(i)
- B(g);N_GUARD::QAR(F)
- Refutation
- B(c);
- Try
- B(H);
- Threat
- R(J)
- Vars
- R(f);N_GUARD::QAR2(F),XP(e)
- R(i);N_GUARD::QAR(F),XR(i)
- B(c);N_GUARD::QAB(F)
- Refutation
- B(g);
- Try
- B(H);N_PINP(e)
- Threat
- R(J)
- Vars
- R(i);N_GUARD::QAR(F),XR(i)
- B(c);N_GUARD::QAB(F)
- B(g);N_GUARD::QAR(F)
- Refutation
- R(f);
- Try
- B(H);
- Threat
- R(J)
- Vars
- B(c);N_GUARD::QAB(F)
- Refutation
- R(i);
- Try
- R(J);
- Threat
- DUALS(7)
- Vars
- B(c);N_GUARD::QAB(F)
- Refutation
- R(i);
- Try
- Q(F);N_PINP(e)
- Threat
- DUALS(3)
- Vars
- B(g);::QAB(F)
- Refutation
- B(g);XQ(F)
- Try
- Q(F);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- S(a);XP(C)::QAR1(F)
- B(g);P_PINS(E)::QAR1(F)
- B(g);::QAR1(F)
- P(e);::QAR1(F)
- Refutation
- B(g);
- Try
- Q(F);N_PINP(e)
- Threat
- DUALS(3)
- Vars
- B(g);::QAB(F)
- S(a);::QAR1(F)
- Refutation
- P(b);XQ(F)
- Try
- Q(F);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- S(a);XP(C)::QAR1(F)
- B(g);P_PINS(E)::QAR1(F)
- B(g);::QAR1(F)
- P(e);::QAR1(F)
- Refutation
- B(g);XQ(F)
- Try
- Actual
- B(H);
- Threat
- R(J)
- Vars
- B(g);N_GUARD,XB(H)::QAR(F)
- R(f);N_GUARD::QAR2(F),XP(e)
- R(i);N_GUARD::QAR(F),XR(i)
- B(c);N_GUARD::QAB(F)
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