MESON Chess Problem Database

Problem Display
PID: 108284 (8/1b6/1P6/1PpR4/p1k5/8/P3R1B1/4Q2K w - - 0 1)

Feigl, Maximilian

Montreal Gazette, 1894

8/1b6/1P6/1PpR4/p1k5/8/P3R1B1/4Q2K

#2

8 + 4

6490 yacpdb 2009
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Re4+?
      • 1...Kxd5
        • 2.Qd2#
        • 2.Qd1#
      • 1...Kxb5!
    • 1.Rxc5+?
      • 1...Kd3
        • 2.Rd2#
        • 2.Qd2#
        • 2.Qd1#
      • 1...Kd4
        • 2.Qc3#
      • 1...Kxc5!
    • 1.Qb4+?
      • 1...cxb4
        • 2.Rc2#
      • 1...Kxb4!
    • 1.Qb1?
      • threat
        • 2.Rc2#
      • 1...Kc3
        • 2.Rc2#
      • 1...Bxd5!
  • Keys
    • 1.Bf1!
      • threat
        • 2.Re5#
      • 1...Bxd5+
        • 2.Re4#
      • 1...Kxb5
        • 2.Re6#
      • 1...Kxd5
        • 2.Rd2#

This anticipates 227449(1926)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT,XP(F)
    • Try
      • R(G);CHECK,P_SPINB(E),XP(c)
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT,XR(G)
    • Try
      • Q(A);CHECK
      • Vars
        • P(c);SBLOCK,XQ(A)::R(D)
      • Refutation
        • K(b);P-FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Threat
        • R(D)
      • Vars
        • K(b);P-FLIGHT::R1(D)
      • Refutation
        • B(d);P_PINB(E),XR(G)
  • Actual
    • B(E);P_SPINR(G)
    • Threat
      • B(E)+R(D)
    • Vars
      • B(d);CHECK,SBLOCK,XR(G)::B(E)+R(D),DCHECK
      • K(b);P_SPINP(c),S_FLIGHT,XP(F)::B(E)+R(D)
      • K(b);S_FLIGHT,XR(G)::R(D)
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Developed and maintained by Brian Stephenson.
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