MESON Chess Problem Database
Problem Display
PID: 23604 (8/4p3/4p3/2pNrPp1/1P2k2P/2P3P1/2PRKRP1/8 w - - 0 1)
Heathcote, Godfrey
Four-Leaved Shamrock (Coronation Ty.), 1911
#2
11 + 6
SOLUTION
- SOUND
- Sets
- 1...cxb4
- 2.Rd4#
- 1...c4
- 2.Rd4#
- 1...gxh4
- 2.Rf4#
- 1...g4
- 2.Rf4#
- 1...cxb4
- Tries
- 1.Kd1?
- 1...Rxf5
- 2.Rfe2#
- 1...cxb4
- 2.Rd4#
- 1...gxh4
- 2.Rf4#
- 1...exd5
- 2.Rde2#
- 1...exf5
- 2.Rfe2#
- 1...c4
- 2.Rd4#
- 1...g4
- 2.Rf4#
- 1...Rxd5!
- 1...Rxf5
- 1.Kf1?
- 1...Rxd5
- 2.Rde2#
- 1...cxb4
- 2.Rd4#
- 1...gxh4
- 2.Rf4#
- 1...exd5
- 2.Rde2#
- 1...exf5
- 2.Rfe2#
- 1...c4
- 2.Rd4#
- 1...g4
- 2.Rf4#
- 1...Rxf5!
- 1...Rxd5
- 1.Kd1?
- Keys
- 1.Ke1!
- 1...Rxd5
- 2.Rde2#
- 1...Rxf5
- 2.Rfe2#
- 1...cxb4
- 2.Rd4#
- 1...gxh4
- 2.Rf4#
- 1...exd5
- 2.Rde2#
- 1...exf5
- 2.Rfe2#
- 1...c4
- 2.Rd4#
- 1...g4
- 2.Rf4#
- 1...Rxd5
- 1.Ke1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- P(b);N_GUARD,XP(H)::R1(B)
- P(b);N_GUARD::R1(B)
- P(d);N_GUARD,XP(I)::R1(D)
- P(d);N_GUARD::R1(D)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- R(c);SBLOCK,XP(K)::R(D)
- P(b);N_GUARD,XP(H)::R1(B)
- P(d);N_GUARD,XP(I)::R1(D)
- P(e);SBLOCK,XS(J)::R(B)
- P(e);SBLOCK,XP(K)::R(D)
- P(b);N_GUARD::R1(B)
- P(d);N_GUARD::R1(D)
- Refutation
- R(c);P_PINR(B),XS(J)
- Try
- K(C);S_FLIGHT
- Vars
- R(c);SBLOCK,XS(J)::R(B)
- P(b);N_GUARD,XP(H)::R1(B)
- P(d);N_GUARD,XP(I)::R1(D)
- P(e);SBLOCK,XS(J)::R(B)
- P(e);SBLOCK,XP(K)::R(D)
- P(b);N_GUARD::R1(B)
- P(d);N_GUARD::R1(D)
- Refutation
- R(c);P_PINR(D),XP(K)
- Try
- Actual
- K(C);P-FLIGHT
- Vars
- R(c);SBLOCK,XS(J)::R(B)
- R(c);SBLOCK,XP(K)::R(D)
- P(b);N_GUARD,XP(H)::R1(B)
- P(d);N_GUARD,XP(I)::R1(D)
- P(e);SBLOCK,XS(J)::R(B)
- P(e);SBLOCK,XP(K)::R(D)
- P(b);N_GUARD::R1(B)
- P(d);N_GUARD::R1(D)
Developed and maintained by Brian Stephenson.
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