MESON Chess Problem Database
Problem Display
PID: 23807 (3K4/1P1N1p2/prpk1P1n/P2BN3/4Q3/1P6/1n6/b7 w - - 0 1)
Groeneveld, Cornelis
Thema Danicum, 1996
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Sc4#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sxf7#
- 1...Sf5
- 2.Sxf7#
- 1...Sg8
- 2.Sxf7#
- 1...Sd1
- Tries
- 1.Bxc6?
- threat
- 2.Qd5#
- 1...Ke6
- 2.Sc4#
- 1...Rxc6
- 2.Qxc6#
- 1...Rb5!
- threat
- 1.Bxf7?
- threat
- 2.Qd4#
- 1...Sxf7+
- 2.Sxf7#
- 1...Sd1
- 2.Sc4#
- 1...Rb4
- 2.Qxc6#
- 1...Rb5
- 2.Qxc6#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...c5
- 2.Qd5#
- 1...Sf5!
- threat
- 1.Qd4?
- threat
- 2.Bc4#
- 2.Bxf7#
- 2.Qc5#
- 1...cxd5
- 2.Qxb6#
- 1...Sd1
- 2.Sc4#
- 2.Qc5#
- 1...Rb4
- 2.Bc4#
- 2.Qc5#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 2.Qc5#
- 1...Sf5
- 2.Sxf7#
- 2.Qc5#
- 1...c5
- 2.Qxc5#
- 1...Rb5!
- threat
- 1.axb6?
- threat
- 2.b8Q#
- 2.b8B#
- 1...Sd1
- 2.Sc4#
- 2.b8Q#
- 2.b8B#
- 1...Sd3
- 2.Sc4#
- 2.b8Q#
- 2.b8B#
- 1...Sa4
- 2.Sc4#
- 2.b8Q#
- 2.b8B#
- 1...Sc4
- 2.Sxc4#
- 2.b8Q#
- 2.b8B#
- 1...Sg4
- 2.Sxf7#
- 2.b8Q#
- 2.b8B#
- 1...Sf5
- 2.Sxf7#
- 2.b8Q#
- 2.b8B#
- 1...Sg8
- 2.Sxf7#
- 2.b8Q#
- 2.b8B#
- 1...a5
- 2.b8Q#
- 2.b8B#
- 1...c5
- 2.b8Q#
- 2.b8B#
- 1...cxd5!
- threat
- 1.Bxc6?
- Keys
- 1.Be6!
- 1...Kxe6
- 2.Sc4#
- 1...Rxb3
- 2.Qxc6#
- 1...Rxb7
- 2.Qxc6#
- 1...fxe6
- 2.Qd4#
- 1...Sd1
- 2.Sc4#
- 1...Rb4
- 2.Qxc6#
- 1...Rb5
- 2.Qxc6#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sxf7#
- 1...Sf5
- 2.Sxf7#
- 1...Sg8
- 2.Sxf7#
- 1...c5
- 2.Qd5#
- 1...Kxe6
- 1.Be6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(g);N_GUARD::S(E),XP(h)
- Tries
- Try
- B(D);XP(e)
- Threat
- QAR1(B)
- Vars
- K(f);P-FLIGHT::QAR(B)+S(E)
- R(d);OGATE,XB(D)::QAR1(B),XR(d)
- Refutation
- R(d);
- Try
- B(D);XP(h)
- Threat
- QAR2(B)
- Vars
- S(g);CHECK,XB(D)::S(E),XS(g)
- S(b);N_GUARD::S(E)
- R(d);N_GUARD::QAR1(B),XP(e)
- S(b);N_GUARD::S(E),XS(b)
- P(e);N_GUARD::QAR1(B)
- Refutation
- S(g);
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- P(e);OGATEB,P_SPINP(e),SBLOCK,XB(D)::QAR2(B),XR(d)
- S(b);N_GUARD::S(E)
- P(e);::QAB1(B),XP(e)
- Refutation
- R(d);
- Try
- P(C);XR(d)
- Threat
- P=Q
- Vars
- P(c);::P=Q
- P(e);::P=Q
- Refutation
- P(e);XB(D)
- Try
- Actual
- B(D);
- Vars
- K(f);P-FLIGHT,XB(D)::QAR(B)+S(E)
- R(d);N_GUARD,XP(A)::QAR1(B),XP(e)
- R(d);N_GUARD,XP(G)::QAR1(B),XP(e)
- P(h);SBLOCK,XB(D)::QAR2(B)
- S(b);N_GUARD::S(E)
- R(d);N_GUARD::QAR1(B),XP(e)
- S(b);N_GUARD::S(E),XS(b)
- S(g);N_GUARD::S(E),XP(h)
- P(e);N_GUARD::QAR1(B)
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