MESON Chess Problem Database
Problem Display
PID: 179088 (4R3/p1K5/3p1P2/n2kp3/NR1Nprb1/4p2B/P3P3/1Q1n4 w - - 0 1)
Zaldo Zapirain, Juan
1st HM., Magasinet, 1950
#2
10 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bxe2
- 2.Be6#
- 1...Bf3
- 2.Be6#
- 1...Bh5
- 2.Be6#
- 1...Be6
- 2.Bxe6#
- 1...Sb3
- 2.Qxb3#
- 1...Sc6
- 2.Qb3#
- 1...Sb7
- 2.Qb3#
- 1...Bxe2
- Tries
- 1.Sc2?
- threat
- 2.Qxd1#
- 1...Bxe2
- 2.Be6#
- 1...Sb2
- 2.Sxe3#
- 1...Sf2
- 2.Sxe3#
- 1...Sc3
- 2.Sxe3#
- 1...Sb3
- 2.Qxb3#
- 1...Sc4
- 2.Rb5#
- 1...Sc6
- 2.Qb3#
- 1...Rf1!
- threat
- 1.Sb3?
- threat
- 2.Qxd1#
- 1...Bxe2
- 2.Be6#
- 1...Sxb3
- 2.Qxb3#
- 1...Rf1
- 2.Qxe4#
- 1...Sb2
- 2.Sc3#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc4
- 2.Rb5#
- 1...Sc6!
- threat
- 1.Sb5?
- threat
- 2.Qxd1#
- 1...Bxe2
- 2.Be6#
- 1...Rf1
- 2.Qxe4#
- 1...Sb2
- 2.Sbc3#
- 1...Sf2
- 2.Sbc3#
- 1...Sc3
- 2.Sbxc3#
- 1...Sb3
- 2.Qxb3#
- 1...Sc6
- 2.Qb3#
- 1...Sc4!
- threat
- 1.Se6?
- threat
- 2.Qxd1#
- 1...Sb2
- 2.Sc3#
- 1...Rf1
- 2.Qxe4#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb3
- 2.Qxb3#
- 1...Sc4
- 2.Rb5#
- 1...Sc6
- 2.Qb3#
- 1...Bxe2!
- threat
- 1.Rb5+?
- 1...Kc4
- 2.Qb4#
- 1...Kxd4!
- 1...Kc4
- 1.Qxd1?
- threat
- 2.Sc2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...Bxe2
- 2.Sxe2#
- 2.Be6#
- 1...exd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Rf3
- 2.Sc2#
- 2.Sb3#
- 2.Sxf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...Rf5
- 2.Sc2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sxf5#
- 2.Sc6#
- 2.Se6#
- 1...Bf3
- 2.Sc2#
- 2.Sb3#
- 2.Sxf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 2.Be6#
- 1...Bf5
- 2.Sc2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sxf5#
- 2.Sc6#
- 2.Se6#
- 1...Be6
- 2.Sc2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Sxe6#
- 2.Bxe6#
- 1...Sb3
- 2.Sxb3#
- 2.Qxb3#
- 1...Sc4
- 2.Rb5#
- 1...Sc6
- 2.Sxc6#
- 2.Qb3#
- 1...Rf1!
- threat
- 1.Qb3+?
- 1...Sc4
- 2.Qxc4#
- 1...Sxb3!
- 1...Sc4
- 1.Sc2?
- Keys
- 1.Sf5!
- threat
- 2.Qxd1#
- 1...Bxe2
- 2.Se7#
- 1...Rf1
- 2.Qxe4#
- 1...Sb2
- 2.Sxe3#
- 1...Sf2
- 2.Sxe3#
- 1...Sc3
- 2.Sxe3#
- 1...Sb3
- 2.Qxb3#
- 1...Sc4
- 2.Rb5#
- 1...Sc6
- 2.Qb3#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 4
- Sets
- B(e);OGATE,XP(C)::B(D)
- B(e);OGATE::B(D)
- B(e);OGATE::B(D),XB(e)
- S(f);N_GUARD::QAB(A),XS(f)
- S(f);N_GUARD::QAB(A)
- Tries
- Try
- S(G);
- Threat
- QAR(A),XS(a)
- Vars
- B(e);OGATE,XP(C)::B(D)
- S(a);N_GUARD::S(G),XP(b)
- S(f);N_GUARD::QAB(A),XS(f)
- S(f);SBLOCK::R(F)
- S(f);N_GUARD::QAB(A)
- Refutation
- R(d);
- Try
- S(G);
- Threat
- QAR(A),XS(a)
- Vars
- B(e);OGATE,XP(C)::B(D)
- S(f);OGATE,XS(G)::QAB(A),XS(f)
- R(d);N_GUARD::QAB1(A),XP(c)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(f);SBLOCK::R(F)
- Refutation
- S(f);
- Try
- S(G);
- Threat
- QAR(A),XS(a)
- Vars
- B(e);OGATE,XP(C)::B(D)
- R(d);N_GUARD::QAB1(A),XP(c)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- S(f);N_GUARD::QAB(A),XS(f)
- S(f);N_GUARD::QAB(A)
- Refutation
- S(f);
- Try
- S(G);
- Threat
- QAR(A),XS(a)
- Vars
- S(a);N_GUARD::S(E)
- R(d);N_GUARD::QAB1(A),XP(c)
- S(a);N_GUARD::S(E),XS(a)
- S(f);N_GUARD::QAB(A),XS(f)
- S(f);SBLOCK::R(F)
- S(f);N_GUARD::QAB(A)
- Refutation
- B(e);XP(C)
- Try
- R(F);CHECK
- Vars
- K(g);S_FLIGHT::QAR1(A)
- Refutation
- K(g);P-FLIGHT,XS(G)
- Try
- Q(A);XS(a)
- Threat
- DUALS(7)
- Vars
- S(f);SBLOCK::R(F)
- Refutation
- R(d);
- Try
- Q(A);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::QAB1(A),XS(f)
- Refutation
- S(f);XQ(A)
- Try
- Actual
- S(G);
- Threat
- QAR(A),XS(a)
- Vars
- B(e);XP(C)::S(G)
- R(d);N_GUARD::QAB1(A),XP(c)
- S(a);N_GUARD::S(G),XP(b)
- S(f);N_GUARD::QAB(A),XS(f)
- S(f);SBLOCK::R(F)
- S(f);N_GUARD::QAB(A)
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