MESON Chess Problem Database
Problem Display
PID: 218293 (6R1/K7/5P2/2R5/4pkPB/2Pp4/3prbP1/3B1Q2 w - - 0 1)
Ellerman, Arnoldo
British Chess Magazine, 1921
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Ke3
- 2.Bg5#
- 1...Re1
- 2.Qxf2#
- 1...Re3
- 2.Rf5#
- 1...Ke3
- Tries
- 1.Ka6?
- 1...Ke3
- 2.Bg5#
- 1...Re1
- 2.Qxf2#
- 1...Re3
- 2.Rf5#
- 1...e3!
- 1...Ke3
- 1.Kb6?
- 1...Ke3
- 2.Bg5#
- 1...Re1
- 2.Qxf2#
- 1...Re3
- 2.Rf5#
- 1...e3!
- 1...Ke3
- 1.Kb7?
- 1...Ke3
- 2.Bg5#
- 1...Re1
- 2.Qxf2#
- 1...Re3
- 2.Rf5#
- 1...e3!
- 1...Ke3
- 1.Ka8?
- 1...Ke3
- 2.Bg5#
- 1...Re1
- 2.Qxf2#
- 1...Re3
- 2.Rf5#
- 1...e3!
- 1...Ke3
- 1.Kb8?
- 1...Ke3
- 2.Bg5#
- 1...Re1
- 2.Qxf2#
- 1...Re3
- 2.Rf5#
- 1...e3!
- 1...Ke3
- 1.Bxf2?
- threat
- 2.Rf5#
- 1...Rxf2
- 2.Qxf2#
- 1...e3!
- threat
- 1.Rg5?
- 1...e3
- 2.Rc4#
- 1...Re1
- 2.Qxf2#
- 1...Re3
- 2.Rcf5#
- 2.Rgf5#
- 1...Ke3!
- 1...e3
- 1.Rg6?
- 1...Ke3
- 2.Bg5#
- 1...Re1
- 2.Qxf2#
- 1...Re3
- 2.Rf5#
- 1...e3!
- 1...Ke3
- 1.Rg7?
- 1...Ke3
- 2.Bg5#
- 1...Re1
- 2.Qxf2#
- 1...Re3
- 2.Rf5#
- 1...e3!
- 1...Ke3
- 1.Rb8?
- 1...Ke3
- 2.Bg5#
- 1...e3
- 2.Rb4#
- 1...Re1
- 2.Qxf2#
- 1...Re3
- 2.Rf5#
- 1...Kxg4!
- 1...Ke3
- 1.Rd8?
- 1...Ke3
- 2.Bg5#
- 1...e3
- 2.Rd4#
- 1...Re1
- 2.Qxf2#
- 1...Re3
- 2.Rf5#
- 1...Kxg4!
- 1...Ke3
- 1.f7?
- 1...Ke3
- 2.Bg5#
- 1...Re1
- 2.Qxf2#
- 1...Re3
- 2.Rf5#
- 2.f8Q#
- 2.f8R#
- 1...e3!
- 1...Ke3
- 1.Ka6?
- Keys
- 1.Re8!
- 1...Ke3
- 2.Bg5#
- 1...Kxg4
- 2.Rxe4#
- 1...e3
- 2.Rc4#
- 1...Re1
- 2.Qxf2#
- 1...Re3
- 2.Rf5#
- 1...Ke3
- 1.Re8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(f);N_PINR(G),N_SPINB(c),S_FLIGHT::B(F)
- R(b);N_GUARD::QAR2(B),XB(c)
- R(b);N_PINR(G),SBLOCK::R1(G)
- Tries
- Try
- K(I);N_SPINR(G),P-FLIGHT
- Vars
- K(f);N_SPINB(c),S_FLIGHT::B(F)
- R(b);N_GUARD::QAR2(B),XB(c)
- R(b);SBLOCK::R1(G)
- Refutation
- P(e);
- Try
- K(I);S_FLIGHT
- Vars
- K(f);N_PINR(G),N_SPINB(c),S_FLIGHT::B(F)
- R(b);N_GUARD::QAR2(B),XB(c)
- R(b);N_PINR(G),SBLOCK::R1(G)
- Refutation
- P(e);N_PINR(G)
- Try
- K(I);N_SPINR(G),P-FLIGHT
- Vars
- K(f);N_SPINB(c),S_FLIGHT::B(F)
- R(b);N_GUARD::QAR2(B),XB(c)
- R(b);SBLOCK::R1(G)
- Refutation
- P(e);
- Try
- K(I);N_SPINR(G),P-FLIGHT
- Vars
- K(f);N_SPINB(c),S_FLIGHT::B(F)
- R(b);N_GUARD::QAR2(B),XB(c)
- R(b);SBLOCK::R1(G)
- Refutation
- P(e);
- Try
- K(I);N_SPINR(G),S_FLIGHT
- Vars
- K(f);N_SPINB(c),S_FLIGHT::B(F)
- R(b);N_GUARD::QAR2(B),XB(c)
- R(b);SBLOCK::R1(G)
- Refutation
- P(e);
- Try
- B(F);N_SPINR(G),XB(c)
- Threat
- R1(G)
- Vars
- R(b);OGATE,P_SPINR(b),XB(F)::QAR2(B),XR(b)
- Refutation
- P(e);
- Try
- R(J);
- Vars
- P(e);N_PINR(G),SBLOCK::R(G)
- R(b);N_GUARD::QAR2(B),XB(c)
- Refutation
- K(f);N_PINR(G),N_SPINB(c),S_FLIGHT
- Try
- R(J);
- Vars
- K(f);N_PINR(G),N_SPINB(c),S_FLIGHT::B(F)
- R(b);N_GUARD::QAR2(B),XB(c)
- R(b);N_PINR(G),SBLOCK::R1(G)
- Refutation
- P(e);N_PINR(G)
- Try
- R(J);
- Vars
- K(f);N_PINR(G),N_SPINB(c),S_FLIGHT::B(F)
- R(b);N_GUARD::QAR2(B),XB(c)
- R(b);N_PINR(G),SBLOCK::R1(G)
- Refutation
- P(e);N_PINR(G)
- Try
- R(J);
- Vars
- K(f);N_PINR(G),N_SPINB(c),S_FLIGHT::B(F)
- P(e);N_PINR(G),OGATEB,SBLOCK::R(J)
- R(b);N_GUARD::QAR2(B),XB(c)
- R(b);N_PINR(G),SBLOCK::R1(G)
- Refutation
- K(f);N_SPINB(c),P-FLIGHT,P_SPINR(b),XP(E)
- Try
- R(J);
- Vars
- K(f);N_PINR(G),N_SPINB(c),S_FLIGHT::B(F)
- P(e);N_PINR(G),OGATEB,SBLOCK::R(J)
- R(b);N_GUARD::QAR2(B),XB(c)
- R(b);N_PINR(G),SBLOCK::R1(G)
- Refutation
- K(f);N_SPINB(c),P-FLIGHT,P_SPINR(b),XP(E)
- Try
- P(H);
- Vars
- K(f);N_PINR(G),N_SPINB(c),S_FLIGHT::B(F)
- R(b);N_GUARD::QAR2(B),XB(c)
- Refutation
- P(e);N_PINR(G)
- Try
- Actual
- R(J);
- Vars
- K(f);N_PINR(G),N_SPINB(c),P_SPINP(e),S_FLIGHT::B(F)
- K(f);N_SPINB(c),P-FLIGHT,P_SPINR(b),XP(E)::R(J),XP(e)
- P(e);N_PINR(G)::R(G)
- R(b);N_GUARD::QAR2(B),XB(c)
- R(b);N_PINR(G),SBLOCK::R1(G)
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