MESON Chess Problem Database
Problem Display
PID: 101143 (1n6/2R5/4p3/Q1p1P2p/P1pkPR1P/p2N4/Pp3pN1/1K3B2 w - - 0 1)
Neukomm, Gyula (Julius) R
Good Companions, 1921
#2
12 + 9
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd3
- 2.Qxc5#
- 1...c3
- 2.Qxc5#
- 1...Sa6
- Tries
- 1.Se3?
- threat
- 2.Sc2#
- 1...cxd3
- 2.Qxc5#
- 1...c3
- 2.Qxc5#
- 1...Kxe3!
- threat
- 1.Rg4?
- 1...cxd3
- 2.Qxc5#
- 1...c3
- 2.Qxc5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...hxg4!
- 1...cxd3
- 1.Rc6?
- threat
- 2.Rd6#
- 1...cxd3
- 2.Qxc5#
- 1...c3
- 2.Qxc5#
- 1...Sxc6!
- threat
- 1.Ra7?
- 1...c3
- 2.Qxc5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd3!
- 1...c3
- 1.Rb7?
- 1...c3
- 2.Qxc5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd3!
- 1...c3
- 1.Re7?
- 1...c3
- 2.Qxc5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd3!
- 1...c3
- 1.Rcf7?
- 1...c3
- 2.Qxc5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd3!
- 1...c3
- 1.Rg7?
- 1...c3
- 2.Qxc5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd3!
- 1...c3
- 1.Rh7?
- 1...c3
- 2.Qxc5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd3!
- 1...c3
- 1.Qb4?
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxb4!
- 1...Sa6
- 1.Se3?
- Keys
- 1.Sb4!
- 1...Kc3
- 2.Sc2#
- 2.Sc6#
- 1...Kxe5
- 2.Qxc5#
- 1...cxb4
- 2.Rxc4#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...c3
- 2.Qxc5#
- 1...Kc3
- 1.Sb4!
This anticipates 231243(1927)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(i);N_GUARD::R(L)
- S(i);N_GUARD::R(L),XS(i)
- P(d);XS(E)::QAB1(J),XP(f)
- P(d);::QAB1(J),XP(f)
- Tries
- Try
- S(D);
- Threat
- S(D)
- Vars
- P(d);XS(E)::QAB1(J),XP(f)
- P(d);::QAB1(J),XP(f)
- Refutation
- K(e);S_FLIGHT,XS(D)
- Try
- R(H);
- Vars
- P(d);XS(E)::QAB1(J),XP(f)
- P(d);::QAB1(J),XP(f)
- S(i);N_GUARD::R(L)
- S(i);N_GUARD::R(L),XS(i)
- Refutation
- P(g);XR(H)
- Try
- R(L);
- Threat
- R(L)
- Vars
- P(d);XS(E)::QAB1(J),XP(f)
- P(d);::QAB1(J),XP(f)
- Refutation
- S(i);XR(L)
- Try
- R(L);
- Vars
- P(d);::QAB1(J),XP(f)
- S(i);N_GUARD::R(L)
- S(i);N_GUARD::R(L),XS(i)
- Refutation
- P(d);XS(E)
- Try
- R(L);
- Vars
- P(d);::QAB1(J),XP(f)
- S(i);N_GUARD::R(L)
- S(i);N_GUARD::R(L),XS(i)
- Refutation
- P(d);XS(E)
- Try
- R(L);
- Vars
- P(d);::QAB1(J),XP(f)
- S(i);N_GUARD::R(L)
- S(i);N_GUARD::R(L),XS(i)
- Refutation
- P(d);XS(E)
- Try
- R(L);
- Vars
- P(d);::QAB1(J),XP(f)
- S(i);N_GUARD::R(L)
- S(i);N_GUARD::R(L),XS(i)
- Refutation
- P(d);XS(E)
- Try
- R(L);
- Vars
- P(d);::QAB1(J),XP(f)
- S(i);N_GUARD::R(L)
- S(i);N_GUARD::R(L),XS(i)
- Refutation
- P(d);XS(E)
- Try
- R(L);
- Vars
- P(d);::QAB1(J),XP(f)
- S(i);N_GUARD::R(L)
- S(i);N_GUARD::R(L),XS(i)
- Refutation
- P(d);XS(E)
- Try
- Q(J);P_PINP(d)
- Vars
- S(i);N_GUARD::R(L)
- S(i);N_GUARD::R(L),XS(i)
- Refutation
- P(f);N_SPINP(d),XQ(J)
- Try
- Actual
- S(E);
- Vars
- K(e);P_SPINP(f),S_FLIGHT,XP(K)::QAR2(J),XP(f)
- P(f);OGATE,XS(E)::R1(L),XP(d)
- S(i);N_GUARD::S(E)
- S(i);N_GUARD::S(E),XS(i)
- P(d);::QAB1(J),XP(f)
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