MESON Chess Problem Database
Problem Display
PID: 62018 (6K1/8/1p6/b1p4B/pQN5/1b4p1/1R3BP1/R3Nkr1 w - - 0 1)
Ellerman, Arnoldo
Prize, Il Problema, 1932
#2
9 + 8
| 81 | Chess | 1943 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Se3#
- 1...Bxc4+
- 2.Qxc4#
- 1...gxf2
- 2.Be2#
- 1...Bd1
- Tries
- 1.Kg7?
- threat
- 2.Se3#
- 1...Bxc4
- 2.Qxc4#
- 1...Bc2!
- threat
- 1.Kh7?
- threat
- 2.Se3#
- 1...Bxc4
- 2.Qxc4#
- 1...Bc2+!
- threat
- 1.Kf8?
- threat
- 2.Se3#
- 1...Bxc4
- 2.Qxc4#
- 1...Bc2!
- threat
- 1.Kh8?
- threat
- 2.Se3#
- 1...Bxc4
- 2.Qxc4#
- 1...Bc2!
- threat
- 1.Sd3+?
- 1...Bd1
- 2.Se3#
- 1...Kxg2!
- 1...Bd1
- 1.Sf3+?
- 1...Bd1
- 2.Se3#
- 1...Kxg2!
- 1...Bd1
- 1.Be3?
- threat
- 2.Be2#
- 1...Bxc4+
- 2.Qxc4#
- 1...Rxg2
- 2.Sc2#
- 1...Bc2
- 2.Sd2#
- 1...Bd1!
- threat
- 1.Bxg3?
- threat
- 2.Be2#
- 2.Rf2#
- 1...Bxc4+
- 2.Qxc4#
- 1...Rxg2
- 2.Sc2#
- 1...Bd1
- 2.Sd2#
- 2.Se3#
- 2.Rf2#
- 1...Bc2
- 2.Sd2#
- 2.Se3#
- 1...Rh1!
- threat
- 1.Bxc5?
- threat
- 2.Be2#
- 1...Bxc4+
- 2.Qxc4#
- 1...Rxg2
- 2.Sc2#
- 1...Bd1
- 2.Se3#
- 1...Bc2
- 2.Sd2#
- 1...bxc5!
- threat
- 1.Bg6?
- threat
- 2.Bd3#
- 1...Bxc4+
- 2.Qxc4#
- 1...Bd1
- 2.Se3#
- 1...Bc2!
- threat
- 1.Bf7?
- threat
- 2.Se3#
- 1...Bxc4
- 2.Bxc4#
- 2.Qxc4#
- 1...Bc2!
- threat
- 1.Qxb3?
- threat
- 2.Se3#
- 2.Qd3#
- 1...Bxe1
- 2.Se3#
- 1...axb3
- 2.Se3#
- 1...Bc3
- 2.Se3#
- 1...Bd2!
- threat
- 1.Kg7?
- Keys
- 1.Bd4!
- threat
- 2.Be2#
- 1...Bxc4+
- 2.Qxc4#
- 1...Rxg2
- 2.Sc2#
- 1...cxd4
- 2.Qf8#
- 1...Bd1
- 2.Se3#
- 1...Bc2
- 2.Sd2#
- threat
- 1.Bd4!
There are these versions: 83614
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(c);N_PINS(G)::S(G)
- B(c);CHECK,OGATE,XS(G)::QAB(F),XB(c)
- P(d);P_PINP(E),SBLOCK,XB(D)::B(H)
- Tries
- Try
- K(I);N_SPINS(G),P-FLIGHT
- Threat
- S(G)
- Vars
- B(c);OGATE,XS(G)::QAB(F),XB(c)
- Refutation
- B(c);
- Try
- K(I);N_SPINS(G),S_FLIGHT
- Threat
- S(G)
- Vars
- B(c);OGATE,XS(G)::QAB(F),XB(c)
- Refutation
- B(c);CHECK
- Try
- K(I);N_SPINS(G),P-FLIGHT
- Threat
- S(G)
- Vars
- B(c);OGATE,XS(G)::QAB(F),XB(c)
- Refutation
- B(c);
- Try
- K(I);N_SPINS(G),P-FLIGHT
- Threat
- S(G)
- Vars
- B(c);OGATE,XS(G)::QAB(F),XB(c)
- Refutation
- B(c);
- Try
- S(B);CHECK
- Vars
- B(c);N_PINS(G),P_SPINB(c)::S(G)
- Refutation
- K(a);S_FLIGHT,XP(E)
- Try
- S(B);CHECK
- Vars
- B(c);N_PINS(G),P_SPINB(c)::S(G)
- Refutation
- K(a);S_FLIGHT,XP(E)
- Try
- B(D);
- Threat
- B(H)
- Vars
- B(c);CHECK,OGATE,XS(G)::QAB(F),XB(c)
- R(b);SBLOCK,XP(E)::R(A)+S(B)
- B(c);N_PINS(G)::S(G)
- Refutation
- B(c);N_PINS(G)
- Try
- B(D);XP(d)
- Threat
- DUALS(2)
- Vars
- B(c);CHECK,OGATE,XS(G)::QAB(F),XB(c)
- R(b);P_PINB(D),SBLOCK,XP(E)::R(A)+S(B)
- Refutation
- R(b);
- Try
- B(D);XP(g)
- Threat
- B(H)
- Vars
- B(c);CHECK,OGATE,XS(G)::QAB(F),XB(c)
- R(b);SBLOCK,XP(E)::R(A)+S(B)
- B(c);N_PINS(G)::S(G)
- Refutation
- P(h);XB(D)
- Try
- B(H);
- Threat
- B(H)
- Vars
- B(c);CHECK,OGATE,XS(G)::QAB(F),XB(c)
- B(c);N_PINS(G)::S(G)
- Refutation
- B(c);N_PINS(G)
- Try
- B(H);N_SPINS(G)
- Threat
- S(G)
- Refutation
- B(c);
- Try
- Q(F);N_SPINS(G),XB(c)
- Threat
- DUALS(2)
- Vars
- B(f);P_SPINB(f),XS(B)::S(G)
- P(e);XQ(F)::S(G)
- B(f);::S(G)
- Refutation
- B(f);
- Try
- Actual
- B(D);
- Threat
- B(H)
- Vars
- B(c);CHECK,OGATE,XS(G)::QAB(F),XB(c)
- R(b);SBLOCK,XP(E)::R(A)+S(B)
- P(g);OGATE,XB(D)::QAB(F)
- B(c);N_PINS(G)::S(G)
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