MESON Chess Problem Database

Problem Display
PID: 22390 (1Nb2KR1/2P5/1p1rk1P1/r1PN4/1Q1P1BPn/8/B7/4n2q w - - 0 1)

Winter-Wood, Edward John

Matlock Register, 1883

(First published on Fri Feb 16 1883)

1Nb2KR1/2P5/1p1rk1P1/r1PN4/1Q1P1BPn/8/B7/4n2q

#2

12 + 8

3392 Chess Souvenirs 1886
15254 EJWW Scrapbook 2011
15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.Qxb6#
    • 1...Rd8+
      • 2.cxd8S#
    • 1...Sxg6+
      • 2.Rxg6#
  • Tries
    • 1.Be5?
      • threat
        • 2.Sf4#
      • 1...Rd8+
        • 2.cxd8S#
      • 1...Sxg6+
        • 2.Rxg6#
      • 1...Rxd5
        • 2.Qxb6#
      • 1...Qxd5!
    • 1.Qxe1+?
      • 1...Qe4
        • 2.Qxe4#
      • 1...Qxe1!
  • Keys
    • 1.Bg5!
      • threat
        • 2.Sf4#
      • 1...Rd8+
        • 2.cxd8S#
      • 1...Sxg6+
        • 2.Rxg6#
      • 1...Qxd5
        • 2.Qxe1#
      • 1...Rxd5
        • 2.Qxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(f);OGATEB,P_SPINR(f),XS(G)::QAR(B),XP(e)
    • R(f);CHECK,OGATE::PXR(f)=S
    • S(c);CHECK,OGATE,XP(H)::R(L),XS(c)
  • Tries
    • Try
      • B(D);
      • Threat
        • B(A)+S(G),DCHECK
      • Vars
        • R(f);CHECK,OGATE::PXR(f)=S
        • S(c);CHECK,OGATE,XP(H)::R(L),XS(c)
        • R(f);OGATEB,P_SPINR(f),XS(G)::QAR(B),XP(e)
      • Refutation
        • Q(b);P_SPINQ(b),XS(G)
    • Try
      • Q(B);CHECK,XS(a)
      • Vars
        • Q(b);N_GUARD,P_SPINQ(b)::QAR2(B),XQ(b)
      • Refutation
        • Q(b);XQ(B)
  • Actual
    • B(D);
    • Threat
      • B(A)+S(G),DCHECK
    • Vars
      • R(f);CHECK,OGATE::PXR(f)=S
      • S(c);CHECK,OGATE,XP(H)::R(L),XS(c)
      • Q(b);N_GUARD,P_SPINQ(b),XS(G)::QAR(B),XS(a)
      • R(f);OGATEB,P_SPINR(f),XS(G)::QAR(B),XP(e)
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