MESON Chess Problem Database
Problem Display
PID: 10803 (8/7K/b3pN2/B7/1np3R1/1pkP1Nn1/2P5/2Q5 w - - 0 1)
Goldschmeding, Cornelis
1st HM., Schakend Nederland, 1968
#2
8 + 7
| 102 | Probleemblad | 1974 |
| 273 | Mat Plus | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Bb7
- 2.Rxc4#
- 1...Bc8
- 2.Rxc4#
- 1...Sf1
- 2.Se4#
- 1...Sh1
- 2.Se4#
- 1...Se2
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sf5
- 2.Se4#
- 1...Sh5
- 2.Se4#
- 1...bxc2
- 2.Qa3#
- 1...b2
- 2.Qd2#
- 1...cxd3
- 2.Bxb4#
- 1...e5
- 2.Sd5#
- 1...Bb7
- Tries
- 1.Kg6?
- 1...bxc2
- 2.Qa3#
- 1...cxd3
- 2.Bxb4#
- 1...Bb7
- 2.Rxc4#
- 1...Bc8
- 2.Rxc4#
- 1...Sf1
- 2.Se4#
- 1...Sh1
- 2.Se4#
- 1...Se2
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sf5
- 2.Se4#
- 1...Sh5
- 2.Se4#
- 1...b2
- 2.Qd2#
- 1...e5
- 2.Sd5#
- 1...Bb5!
- 1...bxc2
- 1.Kg8?
- 1...bxc2
- 2.Qa3#
- 1...cxd3
- 2.Bxb4#
- 1...Bb7
- 2.Rxc4#
- 1...Bc8
- 2.Rxc4#
- 1...Sf1
- 2.Se4#
- 1...Sh1
- 2.Se4#
- 1...Se2
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sf5
- 2.Se4#
- 1...Sh5
- 2.Se4#
- 1...b2
- 2.Qd2#
- 1...e5
- 2.Sd5#
- 1...Bb5!
- 1...bxc2
- 1.Kh8?
- 1...bxc2
- 2.Qa3#
- 1...cxd3
- 2.Bxb4#
- 1...Bb7
- 2.Rxc4#
- 1...Bc8
- 2.Rxc4#
- 1...Sf1
- 2.Se4#
- 1...Sh1
- 2.Se4#
- 1...Se2
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sf5
- 2.Se4#
- 1...Sh5
- 2.Se4#
- 1...b2
- 2.Qd2#
- 1...e5
- 2.Sd5#
- 1...Bb5!
- 1...bxc2
- 1.Rd4?
- 1...bxc2
- 2.Qa3#
- 1...cxd3
- 2.Bxb4#
- 2.cxd3#
- 1...Bb7
- 2.Rxc4#
- 1...Bc8
- 2.Rxc4#
- 1...Sf1
- 2.Se4#
- 1...Sh1
- 2.Se4#
- 1...Se2
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sf5
- 2.Se4#
- 1...Sh5
- 2.Se4#
- 1...b2
- 2.Qd2#
- 1...e5
- 2.Sd5#
- 1...Bb5!
- 1...bxc2
- 1.Rf4?
- 1...bxc2
- 2.Qa3#
- 1...cxd3
- 2.Bxb4#
- 1...Bb7
- 2.Rxc4#
- 1...Bc8
- 2.Rxc4#
- 1...Sf1
- 2.Se4#
- 1...Sh1
- 2.Se4#
- 1...Se2
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sf5
- 2.Se4#
- 1...Sh5
- 2.Se4#
- 1...b2
- 2.Qd2#
- 1...e5
- 2.Sd5#
- 1...Bb5!
- 1...bxc2
- 1.Rh4?
- 1...bxc2
- 2.Qa3#
- 1...cxd3
- 2.Bxb4#
- 1...Bb7
- 2.Rxc4#
- 1...Bc8
- 2.Rxc4#
- 1...Sf1
- 2.Se4#
- 1...Sh1
- 2.Se4#
- 1...Se2
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sf5
- 2.Se4#
- 1...Sh5
- 2.Se4#
- 1...b2
- 2.Qd2#
- 1...e5
- 2.Sd5#
- 1...Bb5!
- 1...bxc2
- 1.cxb3+?
- 1...Kxd3
- 2.Qd2#
- 1...Kxb3!
- 1...Kxd3
- 1.Kg6?
- Keys
- 1.Sd4!
- 1...bxc2
- 2.Qxc2#
- 1...cxd3
- 2.cxb3#
- 1...Se4
- 2.Se2#
- 1...Bb5
- 2.Sxb5#
- 1...Bb7
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...Sf1
- 2.Se2#
- 1...Sh1
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sf5
- 2.Se2#
- 1...Sh5
- 2.Se2#
- 1...b2
- 2.Qe1#
- 1...e5
- 2.Sd5#
- 1...bxc2
- 1.Sd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 11
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(f);N_GUARD::R1(E),XP(e)
- S(c);N_GUARD::S(G)
- S(c);N_GUARD::S(G),XS(c)
- P(a);OGATEB,P_SPINP(a),SBLOCK,XP(B)::QAR2(A)
- P(a);SBLOCK::QAB1(A)
- P(e);XP(C)::B(F),XS(d)
- P(g);N_GUARD::S(G)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- P(a);OGATEB,P_SPINP(a),SBLOCK,XP(B)::QAR2(A)
- P(e);XP(C)::B(F),XS(d)
- B(f);N_GUARD::R1(E),XP(e)
- S(c);N_GUARD::S(G)
- S(c);N_GUARD::S(G),XS(c)
- P(a);SBLOCK::QAB1(A)
- P(g);N_GUARD::S(G)
- Refutation
- B(f);
- Try
- K(H);S_FLIGHT
- Vars
- P(a);OGATEB,P_SPINP(a),SBLOCK,XP(B)::QAR2(A)
- P(e);XP(C)::B(F),XS(d)
- B(f);N_GUARD::R1(E),XP(e)
- S(c);N_GUARD::S(G)
- S(c);N_GUARD::S(G),XS(c)
- P(a);SBLOCK::QAB1(A)
- P(g);N_GUARD::S(G)
- Refutation
- B(f);
- Try
- K(H);P-FLIGHT
- Vars
- P(a);OGATEB,P_SPINP(a),SBLOCK,XP(B)::QAR2(A)
- P(e);XP(C)::B(F),XS(d)
- B(f);N_GUARD::R1(E),XP(e)
- S(c);N_GUARD::S(G)
- S(c);N_GUARD::S(G),XS(c)
- P(a);SBLOCK::QAB1(A)
- P(g);N_GUARD::S(G)
- Refutation
- B(f);
- Try
- R(E);
- Vars
- P(a);OGATEB,P_SPINP(a),SBLOCK,XP(B)::QAR2(A)
- B(f);N_GUARD::R1(E),XP(e)
- S(c);N_GUARD::S(G)
- S(c);N_GUARD::S(G),XS(c)
- P(a);SBLOCK::QAB1(A)
- P(g);N_GUARD::S(G)
- Refutation
- B(f);
- Try
- R(E);
- Vars
- P(a);OGATEB,P_SPINP(a),SBLOCK,XP(B)::QAR2(A)
- P(e);XP(C)::B(F),XS(d)
- B(f);N_GUARD::R1(E),XP(e)
- S(c);N_GUARD::S(G)
- S(c);N_GUARD::S(G),XS(c)
- P(a);SBLOCK::QAB1(A)
- P(g);N_GUARD::S(G)
- Refutation
- B(f);
- Try
- R(E);
- Vars
- P(a);OGATEB,P_SPINP(a),SBLOCK,XP(B)::QAR2(A)
- P(e);XP(C)::B(F),XS(d)
- B(f);N_GUARD::R1(E),XP(e)
- S(c);N_GUARD::S(G)
- S(c);N_GUARD::S(G),XS(c)
- P(a);SBLOCK::QAB1(A)
- P(g);N_GUARD::S(G)
- Refutation
- B(f);
- Try
- P(B);CHECK,XP(a)
- Vars
- K(b);N_SPINS(d),P-FLIGHT,XP(C)::QAR1(A)
- Refutation
- K(b);N_SPINS(d),P-FLIGHT,XP(B)
- Try
- Actual
- S(D);
- Vars
- P(a);OGATE,P_SPINP(a),XP(B)::QAR1(A),XP(a)
- P(e);SBLOCK,XP(C)::QAR(A)+P(B),XP(a)
- S(c);N_GUARD::S(D)
- B(f);N_GUARD::S(D),XB(f)
- B(f);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- P(a);SBLOCK::QAB(A)
- P(g);N_GUARD::S(G)
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