MESON Chess Problem Database
Problem Display
PID: 224142 (n1n5/6pK/4R1Nb/2pk1P2/3p4/N6p/2rQ4/1b3B2 w - - 0 1)
Knapman, SA
Sunday Chronicle, 1944
(First published on Sun May 28 1944)
#2
7 + 10
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Bc4#
- 1...Rb2
- 2.Bc4#
- 1...Rxd2
- 2.Bc4#
- 1...Rc4
- 2.Bxc4#
- 1...Bf4
- 2.Sxf4#
- 1...Sb6
- 2.Se7#
- 1...Sd6
- 2.Se7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...h2
- 2.Bg2#
- 1...d3
- 2.Qxd3#
- 1...c4
- 2.Qa5#
- 1...Ra2
- Tries
- 1.Bb5?
- threat
- 2.Bc6#
- 1...d3
- 2.Qxd3#
- 1...Sd6
- 2.Se7#
- 2.Re5#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...c4!
- threat
- 1.Qf4?
- threat
- 2.Qe5#
- 2.Qf3#
- 2.Qe4#
- 1...Bxf4
- 2.Sxf4#
- 1...Sd6
- 2.Se7#
- 2.Rxd6#
- 2.Qxd6#
- 1...c4
- 2.Qe5#
- 1...Rc1
- 2.Qe5#
- 1...Ra2
- 2.Bc4#
- 2.Qe5#
- 1...Rb2
- 2.Bc4#
- 2.Qe5#
- 1...Rd2
- 2.Bc4#
- 2.Qe5#
- 1...Rf2
- 2.Bc4#
- 2.Qe5#
- 1...Rg2
- 2.Bc4#
- 2.Qe5#
- 1...Rh2
- 2.Bc4#
- 2.Qe5#
- 1...Rc3
- 2.Qe5#
- 1...Rc4
- 2.Bxc4#
- 2.Qe5#
- 1...d3
- 2.Qe5#
- 2.Qe4#
- 1...Re2!
- threat
- 1.Qxc2?
- threat
- 2.Bc4#
- 2.Qc4#
- 1...Bxc2
- 2.Bc4#
- 1...Sd6
- 2.Se7#
- 1...d3
- 2.Qc4#
- 1...c4
- 2.Qxc4#
- 1...Ba2
- 2.Qe4#
- 1...Scb6
- 2.Se7#
- 1...Sab6!
- threat
- 1.Qe2?
- threat
- 2.Qf3#
- 2.Qe4#
- 2.Qe5#
- 1...Sd6
- 2.Se7#
- 1...d3
- 2.Qxd3#
- 2.Qe4#
- 2.Qe5#
- 1...c4
- 2.Qe5#
- 1...Rc1
- 2.Qe5#
- 1...Ra2
- 2.Qc4#
- 2.Qe5#
- 1...Rb2
- 2.Qc4#
- 2.Qe5#
- 1...Rd2
- 2.Qc4#
- 2.Qe5#
- 1...Rc3
- 2.Qe5#
- 1...Rc4
- 2.Qxc4#
- 2.Qe5#
- 1...Be3
- 2.Qf3#
- 1...Bf4
- 2.Sxf4#
- 2.Qf3#
- 2.Qe4#
- 1...Rxe2!
- threat
- 1.Qg2+?
- 1...Rxg2
- 2.Bc4#
- 1...hxg2!
- 1...Rxg2
- 1.Qh2?
- threat
- 2.Qe5#
- 1...Rxh2
- 2.Bc4#
- 1...Sd6
- 2.Se7#
- 2.Qxd6#
- 1...Bf4
- 2.Sxf4#
- 1...Re2!
- threat
- 1.Bb5?
- Keys
- 1.Ba6!
- threat
- 2.Bb7#
- 1...Sd6
- 2.Se7#
- 1...d3
- 2.Qxd3#
- 1...c4
- 2.Qa5#
- 1...Rb2
- 2.Bc4#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- threat
- 1.Ba6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- R(b);N_GUARD::B(A)
- R(b);N_GUARD,N_SPINP(d),XQ(B)::B(A)
- R(b);N_GUARD::B(A),XR(b)
- B(g);N_GUARD::S(F),XB(g)
- S(j);N_GUARD::S(F)
- S(j);N_GUARD::S(F),XS(j)
- P(c);N_GUARD::B(A)
- P(d);OGATEB::QAR2(B),XP(d)
- P(e);OGATEB::QAR(B)
- Tries
- Try
- B(A);
- Threat
- B(A)
- Vars
- P(d);OGATEB::QAR2(B),XP(d)
- S(j);N_GUARD::S(F)
- S(j);N_GUARD::S(F),XS(j)
- Refutation
- P(e);
- Try
- Q(B);N_PINP(d)
- Threat
- DUALS(3)
- Vars
- B(g);XQ(B)::S(F),XB(g)
- P(e);::QAR1(B)
- R(b);::QAR1(B)
- Refutation
- R(b);
- Try
- Q(B);N_PINP(d),XR(b)
- Threat
- DUALS(2)
- Vars
- B(a);XQ(B)::B(A)
- S(j);N_GUARD::S(F)
- P(d);::QAB1(B)
- P(e);::QAB1(B),XP(e)
- B(a);N_GUARD::QAB1(B)
- Refutation
- S(i);
- Try
- Q(B);N_PINP(d)
- Threat
- DUALS(3)
- Vars
- S(j);N_GUARD::S(F)
- P(e);::QAR1(B)
- R(b);::QAR1(B)
- B(g);::QAB(B)
- Refutation
- R(b);XQ(B)
- Try
- Q(B);CHECK,N_PINP(d)
- Vars
- R(b);XQ(B)::B(A)
- Refutation
- P(c);XQ(B)
- Try
- Q(B);N_PINP(d)
- Threat
- QAR1(B)
- Vars
- R(b);N_GUARD,XQ(B)::B(A)
- B(g);N_GUARD::S(F),XB(g)
- Refutation
- R(b);
- Try
- Actual
- B(A);
- Threat
- B(A)
- Vars
- S(j);N_GUARD::S(F)
- P(d);OGATEB::QAR2(B),XP(d)
- P(e);OGATEB::QAR(B)
- R(b);N_GUARD::B(A)
- S(j);N_GUARD::S(F),XS(j)
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